Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
cong minh » gong min, sang minh, song min
shang hai » shang kai, dang hai, chang ha
jong min » gong min, song min, song ming
yang yi » yang di, yang xi, yang jui
yi li » yi lai, yi lin, yin li

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang yi li ((cong minh) or (jong min)) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang yi li ((cong minh) OR (jong min)) shang hai ;*.