Perhaps you should try some spelling variations:
te sach » toc sach
ty vang » ty xang, ty van, ly vang
vang xa » lang xa, mang xa, ang xa
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
truc va » thuc va, thuc vat, trung va
de cua » le cua, te cua, dieu cua
ve cac » vien cac
va cai » va bai, va dai, va cao
cua te » cua tu

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: te sach ty vang xa hoi. hieu ((va cai) OR (((ve cac) OR (va cac)))) truc va hanh de cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty vang xa hoi. hieu ((va cai) or (((ve cac) OR (va cac)))) truc va hanh de cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ty vang xa hoi. hieu ((va cai) or (((ve cac) OR (va cac)))) truc va hanh de cua te*.