Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hanh vai » hanh vi, hanh va, hanh tai
so sach » so sanh, bo sach, co sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
vai cua » dai cua, hai cua, lai cua
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
cac le » cach le, cac he, mac le
cua te » cua tu
cap ly » tap ly, cap y, cam ly
cac ly » cac ky, cam ly

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky lang xa hoi. hieu hien ((((cac ly) OR (cap ly))) or (cac le)) va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky lang xa hoi. hieu hien ((((cac ly) OR (cap ly))) OR (cac le)) va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky lang xa hoi. hieu hien ((((cac ly) OR (cap ly))) or (cac le)) va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ky lang xa hoi. hieu hien ((((cac ly) OR (cap ly))) or (cac le)) va hanh vai cua te*.