Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cac » van cau, van bac, dan cac
van hau » van ha, van hai, van dau
van hac » van hoc, van ha, van hai
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
vi cua » vai cua, di 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 ky lang xa hoi. hieu ((((van cac) or (van hau))) or (van hac)) dat va danh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((((van cac) OR (van hau))) OR (van hac)) dat va danh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ((((van cac) or (van hau))) or (van hac)) dat va danh vi cua vat*.