Perhaps you should try some spelling variations:
training resourcess » training sources, learning resources, teaching resources
training resources » learning resources, teaching resources
resources studies » resource studies, research studies, resources strategies
resourcess survey » resource survey, resources cursed
wbi training » _ training, job training, re training

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( wbi training resources studies. ) OR ( wbi training resourcess survey. ))~.
• Adding a wildcard symbol may retrieve word variants: (( wbi training resources studies. ) or ( wbi training resourcess survey. ))*.