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

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 hanh doi cua tre~.
• 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 hanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. ((hieu viec) or (hieu van)) bach tuoc va hanh doi cua tre*.