Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doi chi, mot chieu, thi chieu
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, mot chieu
doc hieu » toc thieu, hoc thieu, hoc hien
ban cong » bang cong, van cong, phan cong
cong san » cong tac
san van » tan van, luan van, tran van

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: ((ho chieu) OR (((doi chieu) OR (doc hieu)))) xanh - hanh tranh cua ban cong san van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((doi chieu) OR (doc hieu)))) xanh - hanh tranh cua ban cong san van ban~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) OR (doc hieu)))) xanh - hanh tranh cua ban cong san van ban*.