Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
cham luc » cham soc, nhan luc, cham cuu
danh sai » dung sai, danh bat, danh dau
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang x ho. hieu ve cham luc va ((doanh van) or (danh sai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x ho. hieu ve cham luc va ((doanh van) OR (danh sai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x ho. hieu ve cham luc va ((doanh van) or (danh sai)) cua tre*.