Perhaps you should try some spelling variations:
giap nguoi » gian nguoi, gap nguoi, giau nguoi
san thanh » ban thanh, van thanh, son thanh
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
bac ky » cac ky, ban ky, sac ky
de cua » le cua, te cua, dieu cua
su bac » xu bac, du bac, su cac

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 bac ky nang xa hoi. ((hieu ve) OR (hieu van)) giap nguoi ((van hanh) OR (san thanh)) de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su bac ky nang xa hoi. ((hieu ve) OR (hieu van)) giap nguoi ((van hanh) or (san thanh)) de cua tre~".
• Adding a wildcard symbol may retrieve word variants: su bac ky nang xa hoi. ((hieu ve) OR (hieu van)) giap nguoi ((van hanh) or (san thanh)) de cua tre*.