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

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