Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
ban nuoi » ban nguoi, ban noi, dan nuoi
ban nuoc » ban duoc, ban thuoc, luan nuoc
so sach » so sanh, bo sach, co sach
va danh » va dinh, va dan, va hanh
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
tu cua » hu cua
vu cua » hu cua

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

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