Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, mot chieu, thi chieu
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
cua tong » cua cong, cua dong, cua nong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((ho chieu) or (doi chi))) or (doi chieu)) xanh - hanh tranh cua tong cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (doi chi))) OR (doi chieu)) xanh - hanh tranh cua tong cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (doi chi))) or (doi chieu)) xanh - hanh tranh cua tong cong san toan tap*.