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

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yuan chang)) hang china reza kang kim dong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yuan chang)) hang china reza kang kim dong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yuan chang)) hang china reza kang kim dong yue ;*.