Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty mang » ty xang, ty hang, tin mang
mang xa » lang xa, mang may, dang xay
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va cam » va cham, va cac, va cao
tuc va » thuc va, tuc xa, duc va
vi cua » vai cua, di cua
cua te » cua tu

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: "te sach ty mang xa hoi. hieu va cam ((tuc va) OR (truc va)) hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ty mang xa hoi. hieu va cam ((tuc va) OR (truc va)) hanh vi cua te*.