Perhaps you should try some spelling variations:
teaching resource » teaching resources, teaching research, learning resource
resource agencies » resource centres, resource policies, resource theories
teacher resource » teaching resources, teacher researcher, water resource
resource survey » resources surveys, resource curse, resource security
wbi teacher » smi teacher, asia teacher

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

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