Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trinh toan » tinh toan, thanh toan, trinh han
hanh mang » nhanh mang, hanh trang, nhanh lang
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
mang cua » manh cua, dung cua, ban cua
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: theo ((chieu xanh) or (chieu sach)) - hanh mang cua ((tong cong) OR (cong cong)) trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh mang cua ((tong cong) OR (cong cong)) trinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - hanh mang cua ((tong cong) OR (cong cong)) trinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - hanh mang cua ((tong cong) OR (cong cong)) trinh toan ban*.