Perhaps you should try some spelling variations:
"wbi learning resource series." » "wbi learning resources series.", "wbi learning research series.", "wbi teaching resource series.", "wbi learning resource theories.", "wbi learning resource studies.", "2 learning resource series.", "3 learning resource series.", "4 learning resource series."
resource survey » resources surveys, resource curse, resource security
wbi teaching » ii teaching, i teaching, iii teaching
wbi training » 3 training, 3.3 training, 4 training

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("wbi learning resource series.") or ("((wbi teaching) OR (wbi training)) resource survey."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("wbi learning resource series.") OR ("((wbi teaching) OR (wbi training)) resource survey.")).
• Removing quotes may allow a broader search: (( wbi learning resource series. ) or ( ((wbi teaching) OR (wbi training)) resource survey. )).
• Adding a wildcard symbol may retrieve word variants: (("wbi learning resource series.") or ("((wbi teaching) OR (wbi training)) resource survey."))*.