Perhaps you should try some spelling variations:
learning resource » learning resources, learning research, teaching resource
resource agencies » resource centres, resource policies
resource studies » research studies, refugee studies, resource issues
resource survey » resource curse, resource strategy
e learning » _ learning

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( e learning resource agencies. ) OR ( wbi teacher ((resource survey) OR (resource studies)). ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( e learning resource agencies. ) or ( wbi teacher ((resource survey) OR (resource studies)). ))~".
• Adding a wildcard symbol may retrieve word variants: (( e learning resource agencies. ) or ( wbi teacher ((resource survey) OR (resource studies)). ))*.