Perhaps you should try some spelling variations:
"1988 summer olympics boycott" » "1988 summer olympic boycott", "18 summer olympics boycott", "1988 summer olympics boycotts"
"10 summer olympics boycott" » "10 summer olympic boycott", "10 summery olympics boycott", "1 summer olympics boycott", "30 summer olympics boycott", "10 summer olympics boycotts"

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: (("1988 summer olympics boycott") OR ("10 summer olympics boycott")).
• Removing quotes may allow a broader search: (( 1988 summer olympics boycott ) or ( 10 summer olympics boycott )).
• Adding a wildcard symbol may retrieve word variants: (("1988 summer olympics boycott") or ("10 summer olympics boycott"))*.