Perhaps you should try some spelling variations:
"multi relational resource : july 2012" » "multi regional resource : july 2012", "multi national resources : july 2012", "multi regional resources : july 2012", "multi national resource : july 2012", "multi generational resource : july 2012", "multi relational resource : july 2013"
"multi further research : july 2019" » "out further research : july 2019", "uri further research : july 2019", "multi further research : july 2013", "multi further research : july 2015", "multi further research : july 2020"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("multi further research : july 2019") or ("multi relational resource : july 2012"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("multi further research : july 2019") OR ("multi relational resource : july 2012")).
• Removing quotes may allow a broader search: (( multi further research : july 2019 ) or ( multi relational resource : july 2012 )).
• Adding a wildcard symbol may retrieve word variants: (("multi further research : july 2019") or ("multi relational resource : july 2012"))*.