Perhaps you should try some spelling variations:
"maps communication issues" » "maps community issues", "maps communication india", "maps communication united", "mass communication issues", "mass communications issues", "lea's communication issues"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history"
"class communication iraq" » "mass communication iraq", "plans communication iraq", "crisis communication iraq", "class communication iran", "class communication israel", "class communication italy"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ colonization israel") or ((("maps communication issues") or ("class communication iraq"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("_ colonization israel") OR ((("maps communication issues") OR ("class communication iraq")))).
• Removing quotes may allow a broader search: (( _ colonization israel ) or ((( maps communication issues ) or ( class communication iraq )))).
• Adding a wildcard symbol may retrieve word variants: (("_ colonization israel") or ((("maps communication issues") or ("class communication iraq"))))*.