Perhaps you should try some spelling variations:
tang ching » hang china, tang zheng, tang chinese
tang chun » wang chun, tung chung, kang chen
weng fang » jing fang, wen wang
wen tang » wen wang, en tant
jie song » jae song, jin song, kim song
song hui » tong hui, gong hui, sng hui
leung » leong, lung, yeung

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

• Performing a fuzzy search may retrieve terms with similar spellings: leung tang ((tang ching) OR (tang chun)) ((wen tang) or (weng fang)) jie song hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: leung tang ((tang ching) OR (tang chun)) ((wen tang) OR (weng fang)) jie song hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "leung tang ((tang ching) OR (tang chun)) ((wen tang) or (weng fang)) jie song hui ;*".