Perhaps you should try some spelling variations:
"general regulationss" » "general regulation", "general's regulations", "federal regulations", "gene regulations", "genetic regulations"
"general regulations" » "federal regulation", "gene regulation", "genetic regulation"
"general relations" » "general reflections", "general equations", "temporal relations", "general revolutions", "general circulations", "general formulations"
"general relative" » "general relating", "general operative", "general ergative"
"general relation" » "general revolution", "general circulation", "general formulation"
"general relativity" » "general relatively"

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: (("general relativity") OR ((("general relative") OR ((((("general relation") OR ("general regulations"))) OR ((("general relations") OR ("general regulationss")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"general relativity\") or (((\"general relative\") or (((((\"general relation\") OR (\"general regulations\"))) or (((\"general relations\") or (\"general regulationss\"))))))))".
• Removing quotes may allow a broader search: (( general relativity ) or ((( general relative ) or ((((( general relation ) OR ( general regulations ))) or ((( general relations ) or ( general regulationss )))))))).
• Adding a wildcard symbol may retrieve word variants: (("general relativity") or ((("general relative") or ((((("general relation") OR ("general regulations"))) or ((("general relations") or ("general regulationss"))))))))*.