Perhaps you should try some spelling variations:
learning resource » learning resources, learning research, teaching resource
resource survey » resource curse, resource strategy, resource studies
learning curves » learning curve, learning centers, learning centres
wbi learning » _ learning, e learning, new learning
a learning » _ learning, e learning

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( wbi learning resource survey. ) or ( a learning curves series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( wbi learning resource survey. ) OR ( a learning curves series. ))*.