Perhaps you should try some spelling variations:
resource strategies » research strategies, response strategies
teaching resource » teaching resources, teaching research, learning resource
water resource » water resources
ii teaching » 1 teaching, 10 teaching, 3 teaching
wbi water » i water, ii water

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

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