Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
viec cac » vien cac, viec cua, viec lam
doanh va » doan va, doanh tai, doanh cua
danh va » hanh va, anh va, dan va
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
cach tu » cach thuc
cuu tre » cua tre, cau tren, cau treo
cac lo » cac lop, cac co, cac bo
lo van » le van, vo van, so van

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 ty) or (cach tu)) nang xa hoi. nhieu viec cac lo van ((danh va) OR (doanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (cach tu)) nang xa hoi. nhieu viec cac lo van ((danh va) OR (doanh va)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) or (cach tu)) nang xa hoi. nhieu viec cac lo van ((danh va) OR (doanh va)) cuu tre*".