Perhaps you should try some spelling variations:
"city cooperation studies" » "city cooperation series", "city cooperation sources", "city cooperation implies", "city corporation studies", "china cooperation studies", "city corporations studies"
"its communication india" » "its communication media", "its communications media", "nets communication india", "c's communication india", "mass communication india"
"its colonization still" » "its colonization failed", "its colonization israel", "its colonization songs", "anti colonization still", "jews colonization still", "mars colonization still"

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: (((("its colonization still") or ("its communication india"))) or ("city cooperation studies"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its colonization still") OR ("its communication india"))) OR ("city cooperation studies")).
• Removing quotes may allow a broader search: (((( its colonization still ) or ( its communication india ))) or ( city cooperation studies )).
• Adding a wildcard symbol may retrieve word variants: (((("its colonization still") or ("its communication india"))) or ("city cooperation studies"))*.