Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien cac » thien cac, vien cac, hieu cac
hanh vai » hanh vi, hanh va, hanh tai
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cac ly » cac ky, cac le, cam ly
cua tu » cua tuc, cua su, cua cu

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) OR (sach tu)) lang xa hoi. hieu hien cac ly va hanh vai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach tu)) lang xa hoi. hieu hien cac ly va hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) OR (sach tu)) lang xa hoi. hieu hien cac ly va hanh vai cua tu*.