Perhaps you should try some spelling variations:
"asset oriented research : july 2009" » "asset related research : july 2009", "asset extended research : july 2009", "market oriented research : july 2009", "target oriented research : july 2009", "sex oriented research : july 2009", "asset oriented research : july 2007", "asset oriented research : july 2019", "asset oriented research : july 2006"
"meet vaccine research : july 2008" » "meet medicine research : july 2008", "media vaccine research : july 2008", "ant vaccine research : july 2008", "mr vaccine research : july 2008", "meet vaccine research : july 2013", "meet vaccine research : july 2012", "meet vaccine research : july 2020"

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: (("asset oriented research : july 2009") OR ("meet vaccine research : july 2008"))~.
• Removing quotes may allow a broader search: (( asset oriented research : july 2009 ) or ( meet vaccine research : july 2008 ))~.
• Adding a wildcard symbol may retrieve word variants: (("asset oriented research : july 2009") or ("meet vaccine research : july 2008"))*.