Perhaps you should try some spelling variations:
duong van » cong van, duong anh
congo red » congo rep, congo free, congo road
qian wang » yiqian wang, qian rong, qian yan
wing yan » wang yan, wing ian, wing tan
cong ren » congo rep, cong sun, cong van
tin gong » xian gong
tin hong » tan hong, kia hong, thi hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((((cong ren) or (congo red))) or (duong van)) qian wang ((tin gong) OR (tin hong)) min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((((cong ren) OR (congo red))) OR (duong van)) qian wang ((tin gong) OR (tin hong)) min ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((((cong ren) or (congo red))) or (duong van)) qian wang ((tin gong) OR (tin hong)) min ;*".