Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
zhong zhi » zhang zhi, hong ghi, zhong tai
yan yang » yang yang, yao yang, dan yang
yang hwa » yang hui, yang ka
hwa cong » hwa wang
cong sun » cong shu, cong van, wing sun
sun juan » san juan, sun jian, sun hsuan
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yang hwa cong sun juan ((shang hai) OR (zhong zhi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan yang hwa cong sun juan ((shang hai) or (zhong zhi)) ;*.