On Doctoring MEDLINE searches, with reference librarian comments

The question was

"?: What information is available on adolescent
bisexuality, support services, and sexual identity?"

1 :  "journal of adolescent health care".jn.         {80}
2 :  gay.mp. and 1         {0}
3 :  exp Homosexuality, male/         {1320}
4 :  1 and 3         {0}
5 :  (meeting and needs).ti. and gay.mp.         {3}
6 :  from 5 keep 3          {1}

=== but I also got this strategy ===
-----------------------------------------------------------------------------
1 :  *Knowledge, attitudes, practice/ or *Psychosexual         {8652}
development/ or *Sex behavior/ or *Sex education/
2 :  *Adolescent health services/ or *Bisexuality/ or         {5519}
*Homosexuality/ or *Homosexuality, female/ or
*Homosexuality, male/ or *Social support/
3 :  1 and 2         {423}
4 :  limit 3 to (english language and latest update)         {3}
5 :  limit 3 to (human and english language)         {397}
6 :  *Adolescent behavior/ or *Sex behavior/ or *Student health         {7344}
services/ or *Students/
7 :  3 and 5 and 6         {275}
8 :  limit 7 to local holdings         {221}
9 :  *Adolescent health services/ or *Social support/         {3450}
10 :  *Bisexuality/px [Psychology]         {81}
11 :  exp bisexuality/ or exp homosexuality/         {3988}
12 :  1 and 9 and 11         {5}
13 :  from 12 keep 3-5         {3}
14 :  1 and 9 and 10 and 13         {0}
15 :  5 and 9 and 10         {0}
16 :  exp adolescent psychology/ or exp parent-child relations/         {15406}
or exp social support/
17 :  3 and 9 and 10 and 11 and 16     0
18 :  exp attitude/ or exp sex education/     37309
19 :  16 and 18       {1862}
20 :  1 and 9       {70}
21 :  limit 20 to (child < 6 to 12 years > or adolescence < 13 to       {53}
18 years >)
22 :  limit 21 to (local holdings and english language)         {31}
23 :  from 22 keep 3,8,14,16-17,20,24,29         {8}
24 :  limit 10 to (child < 6 to 12 years > or adolescence < 13 to         {27}
18 years >)
25 :  1 and 24         {11}
26 :  from 25 keep 1,3,10         {3}
27 :  from 23 keep 1-8         {8}

Reference Librarian comments

Well, you had quite a MEDLINE session. I hope it was fun and
interesting, and that you got some good references. The Ovid system
tends to lead one on a merry chase of selecting more and more subject
terms, so I'm sympathetic with the hugeness reflected here above.
Don't be dismayed when I show you a quick/easy way. And my little
strategy below might not actually get all that you want. For this
particular question, a trip to PsycInfo would undoubtedly be helpful
also.

Here's what I did:
(Oh. I should also explain that I interpreted your question such
that BISEXUALITY is the main subject. Adolescents are the age group.
And then we'll see what we get...)

1 : 
exp *Bisexuality/
287

2 : 
limit 1 to adolescence < 13 to 18 years >
76