Remember that whenever you are researching anything involving gender | sexuality | ethnicity | race that the terms change frequently.
Don't just rely on the words/terms you prefer!
Just a few of the keywords used in gender and women's studies research (the * will tell a database to find all forms of the word)
sexualit* asexual* bisexual* dyke* feminin* feminis* gay* homosexual* homosocial intersex* lesbian* masculin* non-heteronormative queer* transgender* transsexual* women* girl*
Info from: http://libguides.libraries.claremont.edu/gws