Perhaps you should try some spelling variations:
sach nuoc » cac nuoc, bach tuoc, dich nuoc
sach duoc » sach dao, sach dung, sinh duoc
hieu viec » nhieu viec, sieu viet, hieu hien
danh doi » danh di, thanh doi, dung doi
doi cua » dai cua, hoi cua
va danh » va dinh, va dan, va hanh
bach ky » bac ky
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cua te » cua tu

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

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