Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
sach thu » sach thue, sach thieu, sach tham
viec dan » viec dang, viec ban, viec dat
dan thuc » dan toc, am thuc
thuc cao » thuoc cao, thuc co, thuc can
te sach » toc sach
nang xa » lang xa, nang ma, mang xa
dang vi » dung vi, dang va, hang vi
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thu ((nang xa) or (nang x)) hoi. hieu viec dan thuc cao dang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu ((nang xa) OR (nang x)) hoi. hieu viec dan thuc cao dang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach thu ((nang xa) or (nang x)) hoi. hieu viec dan thuc cao dang vi cua tre*.