Perhaps you should try some spelling variations:
"multi actors research : july 2012" » "multi factors research : july 2012", "multi actions research : july 2012", "multi author's research : july 2012", "multi actor research : july 2012", "multi acteurs research : july 2012", "multi factor research : july 2012", "multi actors research : july 2013"
"multi water research : july 2012" » "multi water resource : july 2012", "multi further research : july 2012", "multi rater research : july 2012", "multi layer research : july 2012", "multi rate research : july 2012", "multi water research : july 2013"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("multi actors research : july 2012") OR ("multi water research : july 2012"))~.
• Removing quotes may allow a broader search: (( multi actors research : july 2012 ) or ( multi water research : july 2012 ))~.
• Adding a wildcard symbol may retrieve word variants: (("multi actors research : july 2012") or ("multi water research : july 2012"))*.