Perhaps you should try some spelling variations:
chung wang » chen wang, china wang, chong wan
chung kang » chan kang, chung kay, chung tong
wang yang » wang yan, wang liang, wang yanling
yang yao » yang yang, wang yan, yang yi
yong shu » cong shu, tong shui, wong shiu
hua ren » hua chen
yi chen » jui chen

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: wang yang yao ((hua ren) OR (yi chen)) ((chung wang) OR (chung kang)) yong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yao ((hua ren) or (yi chen)) ((chung wang) OR (chung kang)) yong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yao ((hua ren) or (yi chen)) ((chung wang) OR (chung kang)) yong shu ;*.