Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
wang liang » wang yang
liang zhi » liang zhu, wang zhi, liang li
zhi zhang » zhen zhang, li zhang, xi zhang
zhang xin » zhang jian, zhang ming, zhang fan
xin hong » tin hong, min hong, xie hong
hong 7 » hong w, hong a, hong g

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)) wang liang zhi zhang xin hong 7 ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (wang yan)) wang liang zhi zhang xin hong 7 ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang yan)) wang liang zhi zhang xin hong 7 ;*.