Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
chang ch'un » chang chen, chang chuan, chang hsun
yang china » hang china, kong china, ming china
gang yang » wang yang, huang yang, wang yan
yang yang » wang yang, wang yan
ch'un hua » chun hui
zhong zhi » zhang zhi, hong ghi
zhong tai » hong tan, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: gang yang yang china chang ch'un hua ((zhong zhi) or (zhong tai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: gang yang yang china chang ch'un hua ((zhong zhi) OR (zhong tai)) ;*.