Perhaps you should try some spelling variations:
davis test » david west, davis tsu
davis best » david west, davis robert
yan yang » yang yang, yao yang, dan yang
kim dong » kim jong, kim young, kim eung
kim song » kim young, kim eung
wai yan » wang yan, wei yang
yong » young, long, hong
wind » wing, find

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai yan yang ((davis test) OR (davis best)) yong ((kim dong) or (kim song)) (sin or wind) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai yan yang ((davis test) OR (davis best)) yong ((kim dong) OR (kim song)) (sin OR wind) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wai yan yang ((davis test) OR (davis best)) yong ((kim dong) or (kim song)) (sin or wind) ;*".