Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
thu sach » thuat sach, thuoc sach, thu hoach
viec cam » viec lam, viec cua, viec va
tu sach » su sach, tu cach, vu sach
te sach » toc sach
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
xuc may » xuc hay, truc may, phuc may
tinh di » tinh doi, trinh di, tinh da
cuu tre » cua tre, cau tren, cau treo
di cuu » di cau, di cua, dinh cuu

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