Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
shen zhang » zhen zhang, shen chang, cheng zhang
zhang xie » zhang xin, zhang xue, zhang xiao
xie shang » xia shang, jie zhang, xie hong
shang hai » shang kai, dang hai, chang ha
ting jia » jing jia, jing ji, ying jin
ping jia » jing jia, jing ji, ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yuhan) or (wang yan)) ((ting jia) or (ping jia)) shen zhang xie shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (wang yan)) ((ting jia) OR (ping jia)) shen zhang xie shang hai ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang yan)) ((ting jia) or (ping jia)) shen zhang xie shang hai ;*.