Perhaps you should try some spelling variations:
"c's communication issues" » "c's community issues", "c's communication india", "c's communication united", "lea's communication issues", "class communication issues", "mass communication issues"
"its communication iraq" » "its communication iran", "its communication israel", "its communication italy", "nets communication iraq", "mass communication iraq", "les communications iraq"
"2 migration history" » "der migration history"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its communication iraq") or ("c's communication issues"))) or ("2 migration history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its communication iraq") OR ("c's communication issues"))) OR ("2 migration history")).
• Removing quotes may allow a broader search: (((( its communication iraq ) or ( c's communication issues ))) or ( 2 migration history )).
• Adding a wildcard symbol may retrieve word variants: (((("its communication iraq") or ("c's communication issues"))) or ("2 migration history"))*.