Library Lit Database - Successive Fractions search: Competency 6

For this search, my beginning search term was "school librar*" which yielded 30,857 hits. The next term was "elementary and (students or children)" which yielded 1614 hits. Finally, the third term was "teach* library skills" which yielded 563 hits. When I combined them into one search, I ended up with a manageable 104 hits.