Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
nang xay » dang xay, nganh xay, nang xuan
viec lam » viec va
lam xuc » cam xuc, lam duoc
su sach » so sach
xay hoi » xa hoi, tay hoi, cay phoi
vu sach » vu bach, vu khach
cua tre » cua te, cuu tre, cua triet
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (vu sach)) ky nang xay hoi. nhieu viec lam xuc ((va tinh) or (may tinh)) le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang xay hoi. nhieu viec lam xuc ((va tinh) OR (may tinh)) le cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ky nang xay hoi. nhieu viec lam xuc ((va tinh) or (may tinh)) le cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ky nang xay hoi. nhieu viec lam xuc ((va tinh) or (may tinh)) le cua tre*.