Perhaps you should try some spelling variations:
"spanish universities" » "japanese universities", "italian universities", "chinese universities"
"class universities" » "chinese universities"
"within university" » "italian university", "deakin university", "aachen university"

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: (((("within university") OR ("within diversity"))) OR ((("spanish universities") OR ("class universities")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"within university\") or (\"within diversity\"))) or (((\"spanish universities\") OR (\"class universities\"))))".
• Removing quotes may allow a broader search: (((( within university ) or ( within diversity ))) or ((( spanish universities ) OR ( class universities )))).
• Adding a wildcard symbol may retrieve word variants: (((("within university") or ("within diversity"))) or ((("spanish universities") OR ("class universities"))))*.