Perhaps you should try some spelling variations:
thuong dong » tuong dong, chuong dong, huong dong
phuong dong » phuong dung, phuong hoang, chuong duong
chinh quan » chinh luan, chinh quyen, chinh ngan
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
van thanh » ban thanh, van tuan
thanh tai » thanh hai, thanh toan, doanh tai

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) or (hieu manh)) - hanh chinh quan ((thuong dong) OR (phuong dong)) van thanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh chinh quan ((thuong dong) OR (phuong dong)) van thanh tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - hanh chinh quan ((thuong dong) OR (phuong dong)) van thanh tai".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hanh chinh quan ((thuong dong) OR (phuong dong)) van thanh tai*.