Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
hieu va » lieu va, hieu qua
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 van
sach ty » sach y, sach tu, sach thu
du cua » duy cua, dau cua, dum cua
xuc va » duc va, tuc va, luc va
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: vu sach ty ((nang xa) OR (nang x)) hoi. ((hieu ve) OR (hieu va)) cam xuc va dinh du cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty ((nang xa) or (nang x)) hoi. ((hieu ve) OR (hieu va)) cam xuc va dinh du cua te~".
• Adding a wildcard symbol may retrieve word variants: vu sach ty ((nang xa) or (nang x)) hoi. ((hieu ve) OR (hieu va)) cam xuc va dinh du cua te*.