Perhaps you should try some spelling variations:
"multi accident research : july 2007" » "multi current research : july 2007", "multi recent research : july 2007", "multi vaccine research : july 2007", "multi client research : july 2007", "multi accident research : july 2008", "multi accident research : july 2013", "multi accident research : july 2020"
"results science research : july 2012" » "results evidence research : july 2012", "results oriented research : july 2012", "results science research : july 2013"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("results science research : july 2012") OR ("multi accident research : july 2007"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"results science research : july 2012\") OR (\"multi accident research : july 2007\"))*".
• Removing quotes may allow a broader search: (( results science research : july 2012 ) OR ( multi accident research : july 2007 ))*.