Perhaps you should try some spelling variations:
teaching resources » learning resources
research theories » research theory, research themes, research topics
resources survey » resources surveys, resource survey, resources series
wbi teaching » ii teaching, i teaching, iii teaching
a teaching » 1 teaching, 10 teaching

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( a teaching ((research theories) OR (research series)). ) or ( wbi teaching resources survey. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( a teaching ((research theories) OR (research series)). ) OR ( wbi teaching resources survey. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( a teaching ((research theories) OR (research series)). ) or ( wbi teaching resources survey. ))".
• Adding a wildcard symbol may retrieve word variants: (( a teaching ((research theories) OR (research series)). ) or ( wbi teaching resources survey. ))*.