Perhaps you should try some spelling variations:
sieu viet » su viet, dien viet, bien viet
hieu viec » nhieu viec, hieu hien, hieu tiem
vu sang » vua sang, vu dang, vu san
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
sang ky » sang kyo, dang ky, tang ky
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
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 sang ky nang xa hoi. ((((hieu viec) OR (hieu ve))) or (sieu viet)) cac xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sang ky nang xa hoi. ((((hieu viec) OR (hieu ve))) OR (sieu viet)) cac xuc va hanh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sang ky nang xa hoi. ((((hieu viec) OR (hieu ve))) or (sieu viet)) cac xuc va hanh vi cua te*".