Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
va cam » va cham, va cac, va cao
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
va luu » van luu, ta luu, vi luu

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 hang xa hoi. hieu va cam ((xuc va) OR (tuc va)) hanh va luu (tru* OR truc*)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty hang xa hoi. hieu va cam ((xuc va) OR (tuc va)) hanh va luu (tru* or truc*)~".
• Adding a wildcard symbol may retrieve word variants: te sach ty hang xa hoi. hieu va cam ((xuc va) OR (tuc va)) hanh va luu (tru* or truc*)*.