Perhaps you should try some spelling variations:
china shang » china chang, china zhang, china shaping
wang huang » wang luhang, wang hua, wang liang
huang ying » huang jing, huang ting, huang yang
shang hai » shang kai, dang hai, chang ha
ying jin » yang jin, jing ji, yang jie
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
yao yang » yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang huang ying jin ((((tan yang) or (tan ying))) or (yao yang)) china shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang huang ying jin ((((tan yang) OR (tan ying))) OR (yao yang)) china shang hai ;.
• Adding a wildcard symbol may retrieve word variants: wang huang ying jin ((((tan yang) or (tan ying))) or (yao yang)) china shang hai ;*.