Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
doc hieu » toc thieu, hoc thieu
cong san » cong tac
san tan » van tan, san van, san tay
tan ca » tan cua, tang ca, dan ca

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