Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
huu thuc » cuu thuc, huu phuc, huu thu
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
ve huu » le huu, vu huu, va huu
di cua » dai cua, doi cua, de cua
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: nguoi sach ky ((nang xa) or (nang x)) hoi. hieu ve huu thuc van hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nguoi sach ky ((nang xa) OR (nang x)) hoi. hieu ve huu thuc van hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: nguoi sach ky ((nang xa) or (nang x)) hoi. hieu ve huu thuc van hanh di cua te*.