Perhaps you should try some spelling variations:
gain yang » dan yang, daun yang, tan yang
wing tan » wing ian, liang tan, hong tan
wing sun » liang sun, cong sun, nina sun
tan chia » tuan china, than china, can china
yang xia » yang xi, fang xia, yang di
fang kai » shang kai, fang ke, fang a
han hua » tan hua, wang hua, tuan hua

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: ((wing tan) OR (wing sun)) ((han hua) OR (tan chia)) gain yang xia fang kai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wing tan) or (wing sun)) ((han hua) or (tan chia)) gain yang xia fang kai ;*.