Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
dang xay » dang van, van xay
viec cam » viec lam, viec cua, viec va
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
cua tre » cua te, cuu tre, cua triet
de cua » le cua, te cua, dieu 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 ky dang xay hoi. nhieu viec cam xuc ((va tinh) OR (may tinh)) de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dang xay hoi. nhieu viec cam xuc ((va tinh) OR (may tinh)) de cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky dang xay hoi. nhieu viec cam xuc ((va tinh) OR (may tinh)) de cua tre*.