Perhaps you should try some spelling variations:
"1975 spring offensive" » "1975 string offensive", "1975 springer offensive", "1975 spring defensive", "1975 spring offense"
"1975 spring ostensive" » "1975 string ostensive", "1975 springer ostensive", "1975 spring extensive", "1975 spring intensive"
"1975 stringer offensive" » "1975 stringer defensive", "1975 stringer offense", "1975 springer offensive", "1975 stronger offensive", "1975 stranger offensive"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("1975 spring offensive") or ("1975 spring ostensive"))) or ("1975 stringer offensive"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("1975 spring offensive") OR ("1975 spring ostensive"))) OR ("1975 stringer offensive")).
• Removing quotes may allow a broader search: (((( 1975 spring offensive ) or ( 1975 spring ostensive ))) or ( 1975 stringer offensive )).
• Adding a wildcard symbol may retrieve word variants: (((("1975 spring offensive") or ("1975 spring ostensive"))) or ("1975 stringer offensive"))*.