Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh hai » thanh hai, nhanh hai, hang hai
sach ty » sach tu, sach thu, xach tay
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
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: tu ((sach ty) OR (sach y)) lang xa hoi. hieu ve cac xuc va hanh hai ((cua tre) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach y)) lang xa hoi. hieu ve cac xuc va hanh hai ((cua tre) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach y)) lang xa hoi. hieu ve cac xuc va hanh hai ((cua tre) or (su triet))*.