Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
sach nuoc » sach duoc, cac nuoc, bach tuoc
hieu van » hieu va, thien van, lieu va
hanh doi » thanh doi, hanh noi, hang doi
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
so sac » so sach, so dac
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: so sac ky nang xa hoi. ((hieu viec) or (hieu van)) sach nuoc va hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky nang xa hoi. ((hieu viec) OR (hieu van)) sach nuoc va hanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sac ky nang xa hoi. ((hieu viec) or (hieu van)) sach nuoc va hanh doi cua tre*.