Perhaps you should try some spelling variations:
"multi faceted research : july 2013" » "multi oriented research : july 2013", "multi field research : july 2013", "multi safety research : july 2013", "a multifaceted research : july 2013"
"multi factor research : july 2006" » "multi sector research : july 2006", "multi action research : july 2006", "multi water research : july 2006", "_ multifactor research : july 2006", "pull factor research : july 2006", "multi factor research : july 2012", "multi factor research : july 2011"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("multi factor research : july 2006") OR ("multi faceted research : july 2013"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"multi factor research : july 2006\") OR (\"multi faceted research : july 2013\"))*".
• Removing quotes may allow a broader search: (( multi factor research : july 2006 ) OR ( multi faceted research : july 2013 ))*.