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

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 ting ji ((((tan yang) or (tan yong))) or (yao yang)) china shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang huang ting ji ((((tan yang) OR (tan yong))) OR (yao yang)) china shang hai ;.
• Adding a wildcard symbol may retrieve word variants: wang huang ting ji ((((tan yang) or (tan yong))) or (yao yang)) china shang hai ;*.