Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
chat duc » chat xuc, chat doc, chet duoc
thanh vi » hanh vi, thanh va, thanh ve
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
cua tre » cuu tre, cua triet, dua tren
tu ban » thu ban, te ban
ban ky » van ky, dan ky
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 ban ky tang ma hoi. hieu ve chat duc tan thanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky tang ma hoi. hieu ve chat duc tan thanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu ban ky tang ma hoi. hieu ve chat duc tan thanh vi ((cua tre) or (cua te))*.