Perhaps you should try some spelling variations:
change looking » chance looking, change working, change making
ahead machine » based machine, ahead china, ahead michele
yang yang » wang yang, wang yan
ran ying » fan ying, tan ying, jin ying
kim jong » kim song, kim dong, kim jang
jong hai » hong hai, jeong han, jong chan

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

• Performing a fuzzy search may retrieve terms with similar spellings: change looking ahead machine ((ran ying) or (yang yang)) kim jong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: change looking ahead machine ((ran ying) OR (yang yang)) kim jong hai ;*.