Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
viec cam » viec lam, viec cua, viec va
tu sach » thu sach, su sach, te sach
tinh di » tinh doi, trinh di, tin di
cua tre » cua te, cua triet, dua tren
tinh da » tinh va, tinh gia, tinh lao
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
cuu 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang cay phoi. nhieu viec cam xuc va ((tinh di) OR (tinh da)) ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky dang cay phoi. nhieu viec cam xuc va ((tinh di) or (tinh da)) ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang cay phoi. nhieu viec cam xuc va ((tinh di) or (tinh da)) ((cua tre) OR (cuu tre))*.