Perhaps you should try some spelling variations:
yang yuan » fang yuan, yan yuan, yang yun
wang yang » wang yan, wang liang, wang yanling
dang hari » dang hai
pei yang » wei yang, hui yang, pei yun
wang fei » wang wei, wang zhi, wang he
yang jie » yang jin, yang jui, yang xi
yuan li » yuan lin, guan li, yuan zi
li tai » lim tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: pei yang yuan li tai ((((wang yang) or (wang fei))) or (((yang jie) or (yang di)))) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: pei yang yuan li tai ((((wang yang) OR (wang fei))) OR (((yang jie) OR (yang di)))) dang hari ;.
• Adding a wildcard symbol may retrieve word variants: pei yang yuan li tai ((((wang yang) or (wang fei))) or (((yang jie) or (yang di)))) dang hari ;*.