Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
tham luc » than luc, tham nuoc, tham thuc
cua tre » cua te, cuu tre, cua triet
va tham » van tham, va cham, va thanh
va danh » va dinh, va hanh, dia danh
va dan » ca dan, va dao, va dau
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang x hoi. lieu va tham luc ((va danh) OR (va dan)) vi ((cua tre) OR (su triet))~.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang x hoi. lieu va tham luc ((va danh) or (va dan)) vi ((cua tre) or (su triet))*.