Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
pham duy » pham duc
thanh vi » hanh vi, thanh va, nhanh vi
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duy van » duy vat, dung van
cua tre » cua te, cuu tre, cua triet
tu ban » thu ban, te ban
ban ky » van ky, dan ky
cua tu » cua tuc, cua su, cua cu

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 xa hoi. hieu ve pham duy van ((thanh vi) or (thanh ve)) ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky tang xa hoi. hieu ve pham duy van ((thanh vi) OR (thanh ve)) ((cua tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu ban ky tang xa hoi. hieu ve pham duy van ((thanh vi) or (thanh ve)) ((cua tre) or (cua tu))*.