Perhaps you should try some spelling variations:
sach ty » sach y, sach thu, xach tay
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
van dau » phan dau
nang co » nang cao, nang doc, nang noi
sach tu » sach thu, cach tu, sach uu
co loi » co hoi
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ty) OR (sach tu)) nang co loi. hieu ((van dau) or (van dao)) xuc va hanh di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) nang co loi. hieu ((van dau) OR (van dao)) xuc va hanh di cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach tu)) nang co loi. hieu ((van dau) or (van dao)) xuc va hanh di cua vat".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach tu)) nang co loi. hieu ((van dau) or (van dao)) xuc va hanh di cua vat*.