Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan wang » yuan wang, yuhuan huang
wang qiang » wang liang, wang yang, wang qiao
lang yan » wang yan, wang yang, zhang yan
yan wang » yuan wang, yang yang, qian wang
qiang li » liang li, qiang niu, ling li
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: lang yan wang yuhan wang qiang li ((hong ghi) or (hong w)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan wang yuhan wang qiang li ((hong ghi) OR (hong w)) ;*.