Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hieu viec » nhieu viec, sieu viet, hieu tiem
bach tuoc » sach duoc, sach nuoc
danh doi » danh di, thanh doi, dung doi
bach ky » bac ky
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
tuoc va » thuoc va, nuoc va, duoc va
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 bach ky nang xa hoi. ((((hieu viec) or (hieu hien))) or (hieu ve)) bach tuoc va danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ky nang xa hoi. ((((hieu viec) OR (hieu hien))) OR (hieu ve)) bach tuoc va danh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang xa hoi. ((((hieu viec) or (hieu hien))) or (hieu ve)) bach tuoc va danh doi cua tre*.