Perhaps you should try some spelling variations:
"multi client research : july 2006" » "multi accident research : july 2006", "multi climatic research : july 2006", "multi oriented research : july 2006", "multi plant research : july 2006", "meet client research : july 2006", "multi client research : july 2013", "multi client research : july 2012"
"making climate research : july 2011" » "managing climate research : july 2011", "warming climate research : july 2011", "abating climate research : july 2011", "making climate research : july 2013", "making climate research : july 2012", "making climate research : june 2011"

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 2006") or ("making climate research : july 2011"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("multi client research : july 2006") OR ("making climate research : july 2011")).
• Removing quotes may allow a broader search: (( multi client research : july 2006 ) or ( making climate research : july 2011 )).
• Adding a wildcard symbol may retrieve word variants: (("multi client research : july 2006") or ("making climate research : july 2011"))*.