Perhaps you should try some spelling variations:
"china cooperation history" » "china corporation history", "china federation history", "asian cooperation history", "regional cooperation history"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history"
"re colonization songs" » "re colonization still", "re colonization work", "re decolonization notes", "pro colonization songs", "jews colonization songs", "mars colonization songs"

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

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