Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
bach tuoc » sach duoc, sach nuoc
hieu viec » nhieu viec, hieu ve, sieu viet
hieu van » hieu va, thien van, lieu va
danh doi » danh di, thanh doi, dung doi
tuoc va » thuoc va, nuoc va, duoc va
va danh » va dinh, va dan, va hanh
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, dua tren
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. ((hieu viec) or (hieu van)) bach tuoc va danh doi ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. ((hieu viec) OR (hieu van)) bach tuoc va danh doi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. ((hieu viec) or (hieu van)) bach tuoc va danh doi ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. ((hieu viec) or (hieu van)) bach tuoc va danh doi ((cua tre) OR (cua triet))*.