Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, cham soc, pham duy
thanh vi » hanh vi, thanh va, thanh ve
dua tren » dung tren
cua tre » cuu tre, cua triet, cua thep
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
ky tang » ky nang, ky dang, kho tang
tu van » tu va
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu van ky tang ma hoi. hieu ve cham duc tan thanh vi ((((cua tre) or (dua tren))) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu van ky tang ma hoi. hieu ve cham duc tan thanh vi ((((cua tre) OR (dua tren))) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu van ky tang ma hoi. hieu ve cham duc tan thanh vi ((((cua tre) or (dua tren))) or (cua te))*.