Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
dang xay » van xay
dang van » hoang van, hang va
cham luc » cham soc, nhan luc, cham cuu
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc van » luoc van, luu van, duc van
tai cua » thai cua, tri cua, dai cua
bao ky » cao ky, ban ky, bac ky

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: te bao ky ((dang xay) OR (dang van)) hoi. hieu va cham luc van doanh ((tai cua) OR (tai cuc)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te bao ky ((dang xay) or (dang van)) hoi. hieu va cham luc van doanh ((tai cua) OR (tai cuc)) tre~".
• Adding a wildcard symbol may retrieve word variants: te bao ky ((dang xay) or (dang van)) hoi. hieu va cham luc van doanh ((tai cua) OR (tai cuc)) tre*.