Perhaps you should try some spelling variations:
"de communication issues" » "de community issues", "de communication india", "de communication united", "mobile communication issues", "online communication issues"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history", "_ decolonization israel", "decolonization _ israel"
"china cooperation history" » "china corporation history", "china federation history", "asian cooperation history", "regional cooperation history"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("de communication issues") or ("_ colonization israel"))) or ("china cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de communication issues") OR ("_ colonization israel"))) OR ("china cooperation history")).
• Removing quotes may allow a broader search: (((( de communication issues ) or ( _ colonization israel ))) or ( china cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("de communication issues") or ("_ colonization israel"))) or ("china cooperation history"))*.