Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
kann wong » kann von
nina sun » wing sun
tang min » chang min, sang minh, yang mind
min kann » man kann, sein kann, wie kann
wong siu » wong shiu, kong siu, wong sau

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: ((nina sun) OR (dong sin)) ((yang yang) OR (yang guang)) tang min kann wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: ((nina sun) or (dong sin)) ((yang yang) or (yang guang)) tang min kann wong siu ;*.