Perhaps you should try some spelling variations:
thanh thai » thanh hai, nhanh thai, thanh thao
thanh tai » thanh hai, thanh toan, doanh tai
phu san » phi san, thuy san
cam duc » cam xuc, cao duc, pham duc
cua chu » sua chua
hieu ve » hieu va, hieu van
san ky » sang ky, van ky, dan ky
ve cam » ve cham, ve cac, va cam
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: phu san ky nang ((x hoi) or (o hoi)). hieu ve cam duc va ((thanh thai) OR (thanh tai)) cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: phu san ky nang ((x hoi) OR (o hoi)). hieu ve cam duc va ((thanh thai) OR (thanh tai)) cua chu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "phu san ky nang ((x hoi) or (o hoi)). hieu ve cam duc va ((thanh thai) OR (thanh tai)) cua chu".
• Adding a wildcard symbol may retrieve word variants: phu san ky nang ((x hoi) or (o hoi)). hieu ve cam duc va ((thanh thai) OR (thanh tai)) cua chu*.