Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
va danh » va dinh, va dan, va hanh
cac tuc » cac toc, cac tu, cac tac
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
tuc va » thuc va, truc va, tuc xa
ma hoi » xa hoi, ma hoa, me hoi
co cua » con cua, cong cua, cuoi cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang ((ma hoi) or (mai hoi)). hieu viec cac tuc va danh ((co cua) or (ca cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((ma hoi) OR (mai hoi)). hieu viec cac tuc va danh ((co cua) OR (ca cua)) tu.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((ma hoi) or (mai hoi)). hieu viec cac tuc va danh ((co cua) or (ca cua)) tu*.