Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
va cau » van cau, va cac, va dau
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu ((va cau) or (((ke cau) or (ket cau)))) luc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu ((va cau) OR (((ke cau) OR (ket cau)))) luc va hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu ((va cau) or (((ke cau) or (ket cau)))) luc va hanh di cua tre*.