Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
hang china » han china, change china, ghana china
china reza » china real, china ren
yan wang » yuan wang, yang yang, qian wang
kang kim » kanaga kim, tan kim, yong kim
jong yue » hong yu, wang yue, jong kuk
wong yue » wang yue, hong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yuan cheng)) hang china reza kang kim ((jong yue) OR (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yuan cheng)) hang china reza kang kim ((jong yue) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yuan cheng)) hang china reza kang kim ((jong yue) OR (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yuan cheng)) hang china reza kang kim ((jong yue) OR (wong yue)) ;*.