Perhaps you should try some spelling variations:
"three occasional supplement" » "three educational supplement", "three additional supplement", "three occasional punishment", "other occasional supplement", "choice occasional supplement", "three operational supplement"
"some occasional supplement" » "some educational supplement", "some additional supplement", "some occasional punishment"

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: (("three occasional supplement") OR ("some occasional supplement")).
• Removing quotes may allow a broader search: (( three occasional supplement ) or ( some occasional supplement )).
• Adding a wildcard symbol may retrieve word variants: (("three occasional supplement") or ("some occasional supplement"))*.