Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
chen wang » chen yang, chen rong, chen ping
ren wang » ren weng, wen wang, men want
zhi ping » zhu ping, he ping, hui ping
ping shu » cong shu, ping ku, ping yu
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong yang) or (wang yang))) or (dong sin)) ya hua ((ren wang) OR (chen wang)) zhi ping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong yang) OR (wang yang))) OR (dong sin)) ya hua ((ren wang) OR (chen wang)) zhi ping shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong yang) or (wang yang))) or (dong sin)) ya hua ((ren wang) OR (chen wang)) zhi ping shu ;*".