Perhaps you should try some spelling variations:
"class communication ireland" » "class communication iceland", "class communication finland", "class communication iran", "plans communication ireland", "crisis communication ireland", "causes communication ireland"
"mass communication india" » "mass communication media", "mass communications media", "maps communication india"
"u.s migration history" » "mass migration history", "does migration history", "1 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: (((("mass communication india") or ("class communication ireland"))) or ("u.s migration history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mass communication india") OR ("class communication ireland"))) OR ("u.s migration history")).
• Removing quotes may allow a broader search: (((( mass communication india ) or ( class communication ireland ))) or ( u.s migration history )).
• Adding a wildcard symbol may retrieve word variants: (((("mass communication india") or ("class communication ireland"))) or ("u.s migration history"))*.