Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
chau treo » cau treo, cau theo, chau tho
hai chau » lai chau, ha chau, hat chau
danh hai » dang hai, lanh hai, manh hai
thuc va » thuc vat, thuc dan, thuc day
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
nang ma » tang ma, sang ma, nang cao
ly nang » ky nang, ly hang, ly vang
tuc va » truc va, tuc xa, duc va
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly nang ma hoi. ((hieu quan) OR (hieu qua)) lam ((tuc va) OR (thuc va)) danh hai chau treo~.
• Adding a wildcard symbol may retrieve word variants: vu sach ly nang ma hoi. ((hieu quan) or (hieu qua)) lam ((tuc va) or (thuc va)) danh hai chau treo*.