Perhaps you should try some spelling variations:
"mass communication israel" » "mass communication issues", "mass communication iran", "mass communication iraq", "maps communication israel"
"_ colonization israel" » "_ colonization still", "_ colonization history", "_ decolonization islam"
"arab cooperation scale" » "arab cooperation case", "arab cooperation state", "arab cooperation sara", "area cooperation scale", "asian cooperation scale", "la cooperation scale"

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