Perhaps you should try some spelling variations:
learning resource » learning resources, teaching resources, training resources
learning research » learning resources
teaching resource » teaching resources, teacher resource, learning resources
resource curse » resource use, resource base
wbi teaching » _ teaching, wbi training

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: (( _ ((learning resource) OR (learning research)) policies. ) OR ( wbi teaching resource curse. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( _ ((learning resource) OR (learning research)) policies. ) or ( wbi teaching resource curse. ))~".
• Adding a wildcard symbol may retrieve word variants: (( _ ((learning resource) OR (learning research)) policies. ) or ( wbi teaching resource curse. ))*.