Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
trong trinh » trong tinh, trang trinh, trong thinh
hien khanh » hien hanh, hien nhanh, dien khanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
hien xanh » hien hanh, hien nhanh, khien canh
dai dung » dai duong, dan dung, mai dung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hien xanh) OR (hien khanh))) or (chieu xanh)) - hanh truong dai dung trong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien xanh) OR (hien khanh))) OR (chieu xanh)) - hanh truong dai dung trong trinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien xanh) OR (hien khanh))) or (chieu xanh)) - hanh truong dai dung trong trinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) OR (hien khanh))) or (chieu xanh)) - hanh truong dai dung trong trinh toan ban*.