Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
cua triet » cua viet, su triet, va triet
nhan luc » nang luc
sach hoi » sach doi, sach moi, cach thoi
va doanh » van doanh, vay doanh, va danh
cua tre » cua te, cuu tre, dua tren
sach lo » sach dao, sach doi, sach moi
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve nhan » ve nha, de nhan, va nhan
luc va » duc va, tuc va, loc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach lo) OR (sach hoi)) nang xa hoi. hieu ve nhan luc va doanh van ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach lo) OR (sach hoi)) nang xa hoi. hieu ve nhan luc va doanh van ((cua tre) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach lo) OR (sach hoi)) nang xa hoi. hieu ve nhan luc va doanh van ((cua tre) or (cua triet))*.