Perhaps you should try some spelling variations:
chin chang » china chang, chain change, china zhang
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
ying yuan » fang yuan, meng yuan, yan yuan
chin fang » china wang, china yang, cai fang
yuan tan » huan t'an, yuan kang, yuan ting
yi dang » yi gang, yi yang, yi chang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ying yuan tan hong ((yi dang) or (((chin fang) OR (chin chang)))) (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ying yuan tan hong ((yi dang) OR (((chin fang) OR (chin chang)))) (hai OR hadi) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ying yuan tan hong ((yi dang) or (((chin fang) OR (chin chang)))) (hai or hadi) ;*".