Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cua » dung luan, dung cho
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) OR (chieu tinh)) - hanh ((dung cua) or (manh cua)) phuong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu tinh)) - hanh ((dung cua) OR (manh cua)) phuong cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu xanh) OR (chieu tinh)) - hanh ((dung cua) or (manh cua)) phuong cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) OR (chieu tinh)) - hanh ((dung cua) or (manh cua)) phuong cong dan toan tap*.