Perhaps you should try some spelling variations:
teaching resource » teaching resources, teaching research, learning resource
resource series » resources series, resource theories, resource studies
resource survey » resources surveys, resource curse, resource security
wbi teaching » ii teaching, i teaching, iii teaching
shifting » shipping

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

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