Perhaps you should try some spelling variations:
wang zheng » tang zheng, wang zhenpo, fang sheng
zheng alan » zheng quan, zheng xuan
alan chia » tan chia
dan yang » daun yang, tan yang, wang yang
yao yang » yang yang
gang hai » dang hai, shang hai, gang hu
eang hay » dang hai, kang han

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang zheng alan chia ((dan yang) or (yao yang)) li ((gang hai) OR (eang hay)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang zheng alan chia ((dan yang) OR (yao yang)) li ((gang hai) OR (eang hay)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang zheng alan chia ((dan yang) or (yao yang)) li ((gang hai) OR (eang hay)) ;*".