Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
thanh lap » thanh san, phan lap, thanh hai
hanh lam » hanh kem, hanh va, dinh lam
hien cac » thien cac, vien cac, hieu cac
su sach » so sach, vu sach
nang xa » lang xa, nang ma, mang xa
sach ky » sac ky, sach y, sach ty
cac lo » cac lop, cac co, cac bo
lo van » le van, vo van, so van
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((nang xa) or (nang x)) hoi. hieu hien cac lo van ((thanh lap) or (hanh lam)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang xa) OR (nang x)) hoi. hieu hien cac lo van ((thanh lap) OR (hanh lam)) cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang xa) or (nang x)) hoi. hieu hien cac lo van ((thanh lap) or (hanh lam)) cua te*.