Perhaps you should try some spelling variations:
"multi client research : july 2007" » "multi accident research : july 2007", "multi current research : july 2007", "multi recent research : july 2007", "multi agent research : july 2007", "multi plant research : july 2007", "multi client research : july 2008", "multi client research : july 2013", "multi client research : july 2012"
"arid climate research : july 2009" » "arid climate research : july 2008", "arid climate research : july 2019", "arid climate research : july 2006", "aid climate research : july 2009", "grid climate research : july 2009", "acid climate research : july 2009"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("multi client research : july 2007") or ("arid climate research : july 2009"))~.
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