Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
sach thu » sach thue, sach thieu, sach tham
xach tay » canh tay
lai cua » dai cua, hai cua, lai chau
duc van » duc va, duc tan, duc manh
lam duc » lam duoc, pham duc, nam duoc
van lam » van nam
lang xa » lang ha, dang xay, lang van
sach tu » cach tu, sach ty, sach uu
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: tu ((xach tay) or (((sach tu) OR (sach thu)))) lang xa hoi. hieu van lam duc van hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((xach tay) OR (((sach tu) OR (sach thu)))) lang xa hoi. hieu van lam duc van hanh lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((xach tay) or (((sach tu) OR (sach thu)))) lang xa hoi. hieu van lam duc van hanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (((sach tu) OR (sach thu)))) lang xa hoi. hieu van lam duc van hanh lai cua tre*.