Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
toc sach » hoc sach, doc sach, thuoc sach
viec cam » viec lam, viec cua, viec va
va thanh » gia thanh, ban thanh, va tinh
nang xa » lang xa, nang ma, mang xa
cam duc » cam xuc, cao duc, pham duc
pho cua » cho cua, kho cua, tho cua
cua tre » cua te, cuu tre, cua triet

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) or (toc sach)) ky ((nang xa) or (nang x)) hoi. hieu viec cam duc va thanh pho cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky ((nang xa) OR (nang x)) hoi. hieu viec cam duc va thanh pho cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky ((nang xa) or (nang x)) hoi. hieu viec cam duc va thanh pho cua tre*.