Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
chen yuan » chen yulan, chen yun, chen yugang
ting wong » ting ping, ting ting
ting peng » ting ping, ting ting, wang peng
yan wang » yang yang, qian wang, yan liang
fang a » fang _, lang a, facing a
a chen » ta chen, _ chen, n 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: ((yuan wang) OR (yan wang)) fang a chen yuan ((ting wong) OR (ting peng)) yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yan wang)) fang a chen yuan ((ting wong) OR (ting peng)) yue ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yan wang)) fang a chen yuan ((ting wong) OR (ting peng)) yue ;*.