Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chat luc » chat xuc, chat lua, nhan luc
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
va hanh » van hanh, va thanh, va danh
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ca dan » cac dan, ca dao
vi cua » vai cua, di cua
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 san ky nang x hoi. hieu va chat luc ((va hanh) OR (ca dan)) vi cua triet~.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang x hoi. hieu va chat luc ((va hanh) or (ca dan)) vi cua triet*.