Perhaps you should try some spelling variations:
china shang » china chang, china zhang, china shaping
wang huang » wang luhang, wang hua, wang liang
huang yang » huang ying, huang chang, wang yang
shang kai » shang hai
yang jin » yang jie, yang jun, ying jin
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 yang jin ((((tan yang) or (tan ying))) or (yao yang)) china shang kai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang huang yang jin ((((tan yang) OR (tan ying))) OR (yao yang)) china shang kai ;.
• Adding a wildcard symbol may retrieve word variants: wang huang yang jin ((((tan yang) or (tan ying))) or (yao yang)) china shang kai ;*.