Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
chen main » chen tain, en main, chen tan
yang gui » yang jui, yang hui, chang gui
hua chen » jui chen, yu chen, a chen
main mit » main die, main aim
gong hui » tong hui, tong shui, wang hui
gui hua » gui guan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang gui hua chen main mit ((gong hui) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang gui hua chen main mit ((gong hui) OR (cong shu)) ;*.