Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh ban » thanh san, thanh van, thanh bac
nong cong » cong cong, tong cong, nang cong
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong san, cong thanh
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - thanh ban cua nong cong tan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh ban cua nong cong tan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - thanh ban cua nong cong tan ((toan ban) or (van ban))*.