Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
van doanh » toan doanh, van dong, van thanh
thu sach » thuat sach, thuoc sach, thu hoach
cham luc » cham soc, nhan luc, cham cuu
hieu ve » hieu va, hieu van
van cuu » van cau, van chu, van cu
luc van » luoc van, luu van, duc van
ve cham » va cham, ve chat, vu cham
tu sach » su sach, te sach, tu cach
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (thu sach)) y ((nang xa) or (lang xa)) hoi. hieu ve cham luc van doanh van cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y ((nang xa) OR (lang xa)) hoi. hieu ve cham luc van doanh van cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y ((nang xa) or (lang xa)) hoi. hieu ve cham luc van doanh van cuu tre*".