Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec ban » viec lam, viec va, viec tai
ban nuoc » ban duoc, ban nuoi, ban thuoc
bo sach » co sach, hoc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
tu cua » vu cua
hu cua » vu cua

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

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