Perhaps you should try some spelling variations:
doing sin » dong sin, doing un
doing von » doing un, ing von
die weiss » die weisse, die weissen, da weiss
die west » die welt, die werte, mike west
ming hua » ying hua, ming hung, wang hua
hua hong » hua zhong, hu hong, kia hong
yan » yang, ryan
tan » than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((doing sin) or (doing von))) or (wang yan)) 2a ((die west) OR (die weiss)) ming hua hong tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doing sin) OR (doing von))) OR (wang yan)) 2a ((die west) OR (die weiss)) ming hua hong tan ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((doing sin) or (doing von))) or (wang yan)) 2a ((die west) OR (die weiss)) ming hua hong tan ;*".