Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
duong cong » dung cong, luong cong, duong trong
hanh tang » hanh trang, anh tang, hanh mang
cua duong » cua dong, cua huong, qua duong
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
than ban » thanh ban, than man, nhuan ban
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 ((chieu xanh) OR (chieu tinh)) - hanh tang cua duong cong san ((than ban) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu tinh)) - hanh tang cua duong cong san ((than ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu tinh)) - hanh tang cua duong cong san ((than ban) OR (toan ban))*.