Perhaps you should try some spelling variations:
lang twinn » lange twins, lang wien
twinn ian » wing ian
hua chen » jui chen, yu chen, a chen
yang jui » yang judy, yang di, yang yi
yang jie » yang jin, yang di, yang yi
wang hui » wang hua, wang zhi, wang wei
ian hua » tan hua, wang hua, ian huff
yang xi » yang di, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang twinn ian hua chen ((((yang jui) or (yang xi))) or (yang jie)) wang hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang twinn ian hua chen ((((yang jui) OR (yang xi))) OR (yang jie)) wang hui ;*.