Perhaps you should try some spelling variations:
wang yidan » wang yan
chen zheng » chen aizheng, cheng zhang, chen zhe
meng yuan » meng hsuan, fang yuan, feng juan
chen zhen » chen zhe
minh hong » minh cong, min hong, linh hoang
wang hui » wang hua, wang zhi, wang wei
hong ghi » zhong zhi, hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yidan) or (meng yuan)) wang hui ((chen zheng) or (chen zhen)) minh hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yidan) OR (meng yuan)) wang hui ((chen zheng) OR (chen zhen)) minh hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yidan) or (meng yuan)) wang hui ((chen zheng) or (chen zhen)) minh hong ghi ;*.