Perhaps you should try some spelling variations:
"ante communication theory" » "ante communication technology", "parte communication theory", "une communication theory", "vote communication theory"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history"
"aid cooperation history" » "aid corporation history", "aid federation history", "asia cooperation history", "gain cooperation history", "d cooperation history"

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: (((("_ colonization israel") OR ("aid cooperation history"))) OR ("ante communication theory"))~.
• Removing quotes may allow a broader search: (((( _ colonization israel ) or ( aid cooperation history ))) or ( ante communication theory ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ colonization israel") or ("aid cooperation history"))) or ("ante communication theory"))*.