Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
dong cong » dung cong, dang cong, cong cong
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trinh cua ((dong cong) OR (duong cong)) tan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trinh cua ((dong cong) OR (duong cong)) tan ((toan ban) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh cua ((dong cong) OR (duong cong)) tan ((toan ban) or (toan cao))*".