Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
cac luc » cau luc, coc luc, cac nuoc
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
de cua » le cua, te cua, dieu cua
luc va » duc va, tuc va, loc 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: su ((sach ky) OR (sach y)) lang xa hoi. ((hieu ve) OR (hieu va)) cac luc va thanh de cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) or (sach y)) lang xa hoi. ((hieu ve) OR (hieu va)) cac luc va thanh de cua te~".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sach y)) lang xa hoi. ((hieu ve) OR (hieu va)) cac luc va thanh de cua te*.