Perhaps you should try some spelling variations:
"multiple options research : july 2007" » "multiple imputations research : july 2007", "multi option research : july 2007", "multiple operations research : july 2007", "multiple action research : july 2007", "multiple opinion research : july 2007", "multiple options research : july 2013", "multiple options research : july 2012"
"multi client research : july 2007" » "multi accident research : july 2007", "multi climate research : july 2007", "multi climatic research : july 2007", "multi plant research : july 2007", "meet client research : july 2007", "multi client research : july 2013", "multi client research : july 2012"

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: (("multi client research : july 2007") or ("multiple options research : july 2007"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("multi client research : july 2007") OR ("multiple options research : july 2007")).
• Removing quotes may allow a broader search: (( multi client research : july 2007 ) or ( multiple options research : july 2007 )).
• Adding a wildcard symbol may retrieve word variants: (("multi client research : july 2007") or ("multiple options research : july 2007"))*.