Perhaps you should try some spelling variations:
learning resource » learning resources, teaching resource, teaching resources
learning research » teaching research, learning resources, emerging research
research observer » research series, research overview, research over
resource survey » resources surveys, resource curse, resource security
wbi learning » 2 learning, 3 learning, 4 learning

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

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