Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hanh vai » hanh vi, hanh va, hanh tai
hien cac » thien cac, vien cac, hieu cac
sach ty » sach y, sach tu, sach thu
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
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.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((nang xa) OR (nang ma)) hoi. hieu hien cac lo va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((nang xa) OR (nang ma)) hoi. hieu hien cac lo va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang xa) OR (nang ma)) hoi. hieu hien cac lo va hanh vai cua te*.