Perhaps you should try some spelling variations:
sach tham » sach nha
hieu viec » nhieu viec, hieu ve, sieu viet
manh hang » manh thang, manh hung, minh hang
sach thu » sach thue, sach thieu, cach thuc
viec cac » vien cac, viec cua, viec lam
nang xa » nang x, lang xa, nang ma
cac suc » cao suc, cac nuoc, cac cuoc
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca 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) or (sach tham)) nang xa hoi. hieu viec cac suc manh hang va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thu) OR (sach tham)) nang xa hoi. hieu viec cac suc manh hang va cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach thu) or (sach tham)) nang xa hoi. hieu viec cac suc manh hang va cua tre*.