Perhaps you should try some spelling variations:
dong ping » dong sin, dong bin, dong jung
twinn ian » wing ian
wing yan » wang yan, wing ian, wing tan
wie kann » wie man
kann kim » kang kim, kann die, kann ein
gong hui » tong shui, wang hui, gong si
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wing yan) or (twinn ian))) or (dong ping)) let me wie kann kim ((gong hui) OR (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wing yan) OR (twinn ian))) OR (dong ping)) let me wie kann kim ((gong hui) OR (tong hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wing yan) or (twinn ian))) or (dong ping)) let me wie kann kim ((gong hui) OR (tong hui)) ;*".