Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, dang xay
hieu va » lieu va, hieu qua
cac dac » cac dan, cac dai, cac bac
va hanh » van hanh, va thanh, va danh
ang xa » lang xa, mang xa, dang xay
dac va » duc va, day va, dat 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: "su sach ty ((xang xa) OR (ang xa)) hoi. hieu va cac dac va hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach ty ((xang xa) OR (ang xa)) hoi. hieu va cac dac va hanh vi cua te*.