Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chinh luan » chinh ngan, trinh luan, binh luan
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 - hanh chinh luan thong cong ((dan than) OR (van than)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh chinh luan thong cong ((dan than) OR (van than)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh chinh luan thong cong ((dan than) OR (van than)) cao*.