Perhaps you should try some spelling variations:
hanh hoi » hanh thoi, hanh noi, hanh hoa
vu sach » vu bach, su sach, vu khach
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, hieu qua
truc va » thuc va, thuc vat, trung va
hoi cua » hoi chuc
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
va lam » van lam, va lap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang ma hoi. hieu va lam ((duc va) OR (truc va)) hanh hoi cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang ma hoi. hieu va lam ((duc va) OR (truc va)) hanh hoi cua tre*.