Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang xa » lang xa, nang ma, mang xa
dinh du » dinh duc, dinh cu, dinh tu
va dinh » van dinh, va kinh, va tinh
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
cac xuc » cac nuoc, chat xuc, cac cuoc
du cua » duy cua, dau cua, dum cua
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: su sach ty ((nang xa) OR (nang x)) hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh du cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((nang xa) or (nang x)) hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh du cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang xa) or (nang x)) hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh du cua te*.