Perhaps you should try some spelling variations:
hieu viec » nhieu viec, sieu viet, hieu hien
sach nuoc » sach duoc, cac nuoc, bach tuoc
vu khach » vu khanh, vu khac, vay khach
khach ky » hanh ky, thanh ky
danh doi » danh di, thanh doi, dung doi
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ky nang xa hoi. ((hieu viec) or (hieu ve)) sach nuoc va danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky nang xa hoi. ((hieu viec) OR (hieu ve)) sach nuoc va danh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu khach ky nang xa hoi. ((hieu viec) or (hieu ve)) sach nuoc va danh doi cua tre*.