Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
khong cang » hong bang, khong dung, thong cung
thong cong » trong cong, tong cong, thong thong
tranh luan » trinh luan, trinh luat, doanh luan
chinh cua » chinh ca, chinh sua, hinh cua
san tranh » can tranh, lan tranh, san thanh

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 (chieu sach)) - hanh chinh cua ((khong cang) OR (thong cong)) san tranh luan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh chinh cua ((khong cang) OR (thong cong)) san tranh luan*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - hanh chinh cua ((khong cang) OR (thong cong)) san tranh luan*".