Perhaps you should try some spelling variations:
change looking » chance looking, change working, change making
ahead china » cheap china, ahead machine
yang yang » wang yang, wang yan
kim shang » kim song, kim ching, kim jang
shang hai » shang kai, dang hai, chang ha
ran ying » fan ying, tan ying, jin ying

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

• If you are trying to use Boolean operators, they must be ALL CAPS: change looking ahead china ((ran ying) OR (yang yang)) kim shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: change looking ahead china ((ran ying) or (yang yang)) kim shang hai ;*.