Perhaps you should try some spelling variations:
"a learning research use." » "a teaching research use.", "a emerging research use.", "a learning research uses.", "a learning research up.", "a learning research using."
"a learning resources use." » "a teaching resources use.", "a teaching resourcess use.", "a training resourcess use.", "a learning resources used.", "a learning resources uses.", "a learning resources users."
"_ learning resource use." » "_ teaching resource use.", "_ teaching resources use.", "_ training resources 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 learning resources use."))) or ("_ learning resource use."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a learning research use.") OR ("a learning resources use."))) OR ("_ learning resource use.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a learning research use.\") OR (\"a learning resources use.\"))) or (\"_ learning resource use.\"))".
• Removing quotes may allow a broader search: (((( a learning research use. ) OR ( a learning resources use. ))) or ( _ learning resource use. )).
• Adding a wildcard symbol may retrieve word variants: (((("a learning research use.") OR ("a learning resources use."))) or ("_ learning resource use."))*.