Perhaps you should try some spelling variations:
"1975 spring ostensive" » "1975 string ostensive", "1975 spring extensive", "1975 spring intensive", "1975 spring offensive"
"1975 springer ostensive" » "1975 stringer ostensive", "1975 springer extensive", "1975 springer intensive", "1975 springer offensive"
"1975 striking offences" » "1975 shrinking offences", "1975 striking offence", "1975 striking offenders"

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: (((("1975 spring ostensive") OR ("1975 springer ostensive"))) OR ("1975 striking offences"))~.
• Removing quotes may allow a broader search: (((( 1975 spring ostensive ) or ( 1975 springer ostensive ))) or ( 1975 striking offences ))~.
• Adding a wildcard symbol may retrieve word variants: (((("1975 spring ostensive") or ("1975 springer ostensive"))) or ("1975 striking offences"))*.