Perhaps you should try some spelling variations:
dang hai » dang khai, hang hai, dung hai
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va
lam tuc » lam thuoc, lam truoc, luat tuc
va dang » van dang, va nang, va lang
hai cau » hai chau, hai chu, hai hau
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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: su sach ty nang ma hoi. ((hieu va) OR (hieu qua)) lam tuc va dang hai cau treo~.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ma hoi. ((hieu va) or (hieu qua)) lam tuc va dang hai cau treo*.