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

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: (((("nets communication united") or ("c's communication iraq"))) or ("3 migration history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nets communication united") OR ("c's communication iraq"))) OR ("3 migration history")).
• Removing quotes may allow a broader search: (((( nets communication united ) or ( c's communication iraq ))) or ( 3 migration history )).
• Adding a wildcard symbol may retrieve word variants: (((("nets communication united") or ("c's communication iraq"))) or ("3 migration history"))*.