Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te 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
va hanh » van hanh, va thanh, va danh
ve cac » vien cac
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
cua su » qua su

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 hang xa hoi. hieu ((va cac) OR (ve cac)) tuc va hanh vi ((cua te) OR (cua su))~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty hang xa hoi. hieu ((va cac) or (ve cac)) tuc va hanh vi ((cua te) or (cua su))*.