Perhaps you should try some spelling variations:
dong sein » dong sin, dong bin, dong wei
yulu chen » yu chen
chen ping » chen rong, chen yang, chen wang
sein das » sein des, sein de, sein du
ping ji » ping jia, jing ji, ping yi
yang yi » yang di, yang jui
yang xi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong sein das yulu chen ping ji ((yang yi) or (yang xi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong sein das yulu chen ping ji ((yang yi) OR (yang xi)) ;*.