Perhaps you should try some spelling variations:
nina sun » wing sun
sun yuan » sun yan, sun hsuan, sun jian
lee chun » lee chung, lee ching, lee chang
tong hui » wang hui
wang wei » zhang wei, wang zhi
yuan zi » yan zi, yuan li, yuan fei
chun yi » chun i, chun hui, chun wai
zi lee » ii lee, z lee

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

• Performing a fuzzy search may retrieve terms with similar spellings: nina sun yuan zi lee chun yi ((tong hui) or (wang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nina sun yuan zi lee chun yi ((tong hui) OR (wang wei)) ;*.