Perhaps you should try some spelling variations:
yuan chang » huang chang, han chang, xuan thang
yuan cheng » huang cheng, yu cheng, tan cheng
than china » tuan china, han china, wuhan china
yuan wang » yan wang, yuan kang, qian wang
china ren » china loren, china real, china reza
kongo yue » wong yue
dr kongo » dr congo, das kongo, dia kongo
yan » yang, ryan

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 (((yuan chang) OR (yuan cheng)))) than china ren yan dr kongo yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (((yuan chang) OR (yuan cheng)))) than china ren yan dr kongo yue ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (((yuan chang) OR (yuan cheng)))) than china ren yan dr kongo yue ;*.