Perhaps you should try some spelling variations:
multifaceted research » multifaceted resource, multilevel research
option research » opinion research, action research, optics research
_ multifaceted » a multifaceted, _ multifactor, multi faceted
multi option » multi location, multi population, multi ratios
july 2009 » july 2008, july 2007, july 2019

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( multi option research : july 2009 ) or ( _ multifaceted research : july 2009 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( multi option research : july 2009 ) OR ( _ multifaceted research : july 2009 )).
• Adding a wildcard symbol may retrieve word variants: (( multi option research : july 2009 ) or ( _ multifaceted research : july 2009 ))*.