Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hien xanh » hien hanh, hien nhanh, hien khanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dang cong » dung cong
tinh cua » trinh cua, sinh cua, tinh chat
cua dang » cua cong, cua ban
van tuan » van quan, anh tuan

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 (chieu xanh)) - hanh tinh cua dang cong ((van tuan) or (van ban)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh tinh cua dang cong ((van tuan) OR (van ban)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - hanh tinh cua dang cong ((van tuan) or (van ban)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - hanh tinh cua dang cong ((van tuan) or (van ban)) ban*.