Perhaps you should try some spelling variations:
learning resource » learning resources, learning research, teaching resource
emerging research » learning research
research sidney » research site, research sites, research since
resource curse » resource base
2 emerging » 4 emerging, 1 emerging

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( 2 learning resource curse. ) or ( 2 emerging research sidney. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( 2 learning resource curse. ) OR ( 2 emerging research sidney. )).
• Adding a wildcard symbol may retrieve word variants: (( 2 learning resource curse. ) or ( 2 emerging research sidney. ))*.