Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh phan » thanh pho, thanh san, thanh toan
thien anh » thien danh, tien anh, thien thanh
thanh van » thanh san, thanh toan, thanh nhan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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