Perhaps you should try some spelling variations:
"les communications issues" » "les communication issues", "les communications studies", "les communications costs", "laos communications issues", "nps communications issues", "u.s communications issues"
"city cooperation history" » "city corporation history", "city federation history", "china cooperation history", "city corporations history"
"nets communication iraq" » "lea's communication iraq", "mass communication iraq", "c's communication iraq", "nets communication iran", "nets communication israel", "nets 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: (((("les communications issues") or ("nets communication iraq"))) or ("city cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("les communications issues") OR ("nets communication iraq"))) OR ("city cooperation history")).
• Removing quotes may allow a broader search: (((( les communications issues ) or ( nets communication iraq ))) or ( city cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("les communications issues") or ("nets communication iraq"))) or ("city cooperation history"))*.