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
tinh doi » trinh doc, trinh do, tinh hoc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
tinh di » trinh di, tinh da, tin di
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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 dang xay hoi. nhieu viec cam xuc va ((tinh di) OR (tinh doi)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky dang xay hoi. nhieu viec cam xuc va ((tinh di) OR (tinh doi)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xay hoi. nhieu viec cam xuc va ((tinh di) OR (tinh doi)) cuu tre*.