Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
chinh quan » chinh luan, chinh quyen, chinh ngan
quan thong » quang thong, quan trong, xuan thong
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan

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