Perhaps you should try some spelling variations:
wang xuan » wang xiuyan, wang xueman, wang yuhan
ming cong » minh cong, ming kong, ming code
fang van » frans van, trang van, fang yuan
der case » per case, dar case, der care
cong zhi » zhong zhi, wang zhi, cong shu
der can » der ca, der cap, der call
der cas » der casa, der ca, der cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang qiao) or (wang xuan)) fang van ((der can) or (((der cas) OR (der case)))) ming cong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang qiao) OR (wang xuan)) fang van ((der can) OR (((der cas) OR (der case)))) ming cong zhi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang qiao) or (wang xuan)) fang van ((der can) or (((der cas) OR (der case)))) ming cong zhi ;".
• Adding a wildcard symbol may retrieve word variants: ((wang qiao) or (wang xuan)) fang van ((der can) or (((der cas) OR (der case)))) ming cong zhi ;*.