Perhaps you should try some spelling variations:
chan wang » chen wang, chan kang, china wang
yi cheng » yu cheng, xi cheng, yi chang
wang di » yang di, wang d, wang li
di yang » du yang, yi yang, liu yang
yi chen » jui chen
chun h » chung h, chun _, chun hui
chun i » chun yi, chun _, chun hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang di yang ((yi chen) or (yi cheng)) chan wang ((chun h) OR (chun i)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang di yang ((yi chen) OR (yi cheng)) chan wang ((chun h) OR (chun i)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang di yang ((yi chen) or (yi cheng)) chan wang ((chun h) OR (chun i)) ;*".