Perhaps you should try some spelling variations:
"a learning research use." » "a learning resources use.", "a emerging research use.", "a learning research uses.", "a learning research up.", "a learning research using."
"a teaching research use." » "a teaching resources use.", "a teaching research uses.", "a teaching research up.", "a teaching research using.", "1 teaching research use.", "10 teaching research use."
"_ teaching resource use." » "_ teaching resources use.", "_ learning resource use.", "_ teacher resource use."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("a learning research use.") or ("a teaching research use."))) or ("_ teaching resource use."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a learning research use.") OR ("a teaching research use."))) OR ("_ teaching resource use.")).
• Removing quotes may allow a broader search: (((( a learning research use. ) or ( a teaching research use. ))) or ( _ teaching resource use. )).
• Adding a wildcard symbol may retrieve word variants: (((("a learning research use.") or ("a teaching research use."))) or ("_ teaching resource use."))*.