Perhaps you should try some spelling variations:
sach thuc » cach thuc, sach thu, sach thue
hanh xay » hanh may, manh xay, anh xay
hieu van » hieu va, thien van, lieu va
chua tre » chua tri, cua tre, chua trieu
te sach » toc sach
xay hoi » xa hoi, tay hoi, cay phoi
van lam » van nam
duoc va » nuoc va, duc va, duong va
duoc ma » duoc lam
va chua » vua chua, ca chua, va chu

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 thuc hanh xay hoi. hieu van lam ((duoc va) or (duoc ma)) hang va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thuc hanh xay hoi. hieu van lam ((duoc va) OR (duoc ma)) hang va chua tre.
• Adding a wildcard symbol may retrieve word variants: te sach thuc hanh xay hoi. hieu van lam ((duoc va) or (duoc ma)) hang va chua tre*.