Perhaps you should try some spelling variations:
china fang » china wang, china yang, china chang
yuan chang » yuan cheng, huang chang, han chang
chang rong » zhang rong, change long, change hong
wang yang » wang yan, wang liang, wang yanling
chin fang » chin chang, china wang, china yang
rong yu » hong yu, rong su, wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((dong or doing) sin) or (wang yang)) tuan ((china fang) OR (chin fang)) yuan chang rong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((dong OR doing) sin) OR (wang yang)) tuan ((china fang) OR (chin fang)) yuan chang rong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((dong or doing) sin) or (wang yang)) tuan ((china fang) OR (chin fang)) yuan chang rong yu ;*".