Perhaps you should try some spelling variations:
training resources » learning resources, teaching resources
resources studies » resource studies, research studies, resources strategies
wbi training » _ training, job training, a training
re training » _ training, term training, job training
e training » _ training, a training, ͳ 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: (( ((e training) OR (re training)) resource policies. ) OR ( wbi training resources studies. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((e training) OR (re training)) resource policies. ) or ( wbi training resources studies. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((e training) OR (re training)) resource policies. ) or ( wbi training resources studies. ))*.