Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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