Perhaps you should try some spelling variations:
"multiple options research : june 2011" » "multiple locations research : june 2011", "multiple positions research : june 2011", "multiple solutions research : june 2011", "multiple actions research : june 2011", "multiple optics research : june 2011", "multiple operations research : june 2011", "multiple options research : june 2013", "multiple options research : june 2010", "multiple options research : june 2012"
"multi factor research : june 2014" » "multi factors research : june 2014", "multi sector research : june 2014", "multi actors research : june 2014", "multi actor research : june 2014", "_ multifactor research : june 2014", "multi factor research : june 2013"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("multi factor research : june 2014") or ("multiple options research : june 2011"))~.
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