Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nam duoc » nam thuoc, da duoc, dat duoc
danh vai » danh va, doanh van, dang van
danh sai » dung sai, danh bat, danh dau
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
duoc ma » duoc lam
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. hieu van nam duoc ma ((danh vai) OR (danh sai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. hieu van nam duoc ma ((danh vai) OR (danh sai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu van nam duoc ma ((danh vai) OR (danh sai)) cua tre*.