Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
va hanh » van hanh, va thanh, va danh
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cam tu » cam thu, nam tu, dam tu
ca dan » cac dan, ca dao
x hoi » xa hoi, o hoi, x ho
vu va » vu van, tu va, su va

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: su sac ky nang x hoi. lieu va ((cam tu) OR (nam thu)) ((va hanh) OR (ca dan)) vu va triet~.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x hoi. lieu va ((cam tu) or (nam thu)) ((va hanh) or (ca dan)) vu va triet*.