Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach tu, sach thu, xach tay
qua cac » cua cac
co viet » so viet, o viet, hoc viet
lang ha » long ha
ha hoi » hoa hoi, ha noi, xa hoi
xuc va » duc va, tuc va, luc va

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 ty) OR (sach y)) lang ha hoi. hieu qua cac xuc va thanh vi ((cua viet) OR (co viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach ty) OR (sach y)) lang ha hoi. hieu qua cac xuc va thanh vi ((cua viet) or (co viet))~".
• Adding a wildcard symbol may retrieve word variants: vu ((sach ty) OR (sach y)) lang ha hoi. hieu qua cac xuc va thanh vi ((cua viet) or (co viet))*.