Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
hieu hien » bieu hien, dieu hien, chieu chien
hanh lai » hanh lam, hanh tai, thanh loi
hien cac » thien cac, vien cac, hieu cac
su sach » so sach, vu sach
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
sach ky » sac ky, sach y, sach ty
cac lo » cac lop, cac co, cac bo
cua te » cua tu
lo va » lo van, lao va, ly va

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 ((nang xa) OR (lang xa)) hoi. hieu hien cac lo va ((hanh lai) OR (thanh lap)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang xa) OR (lang xa)) hoi. hieu hien cac lo va ((hanh lai) or (thanh lap)) cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang xa) OR (lang xa)) hoi. hieu hien cac lo va ((hanh lai) or (thanh lap)) cua te*.