Perhaps you should try some spelling variations:
nhieu viec » nhien viet
hieu viec » hieu ve, sieu viet, hieu hien
sach ty » sach y, sach tu, sach thu
danh va » doanh va, hanh va, anh va
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
lo van » le van, so van, do van
va cuu » va cau, va chu, va huu

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