Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
chieu xanh » chieu sach, chieu sang, chieu tinh
thieu anh » thien anh, thien danh, thieu nhi
hanh luan » khanh luan, hang luan, hanh luat
van duong » van dong, van dung, van phong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap

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