Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
chong cong » cong cong, thong cong, cuong cong
thanh chau » thanh cha, thanh cham, thanh chu
thanh cau » thanh mau, nhanh cau, thanh ca
chinh ta » chinh tai, chinh va, chinh tri
ta chong » tac chong, ta khong, va chong
cong van » cong vang, cong san, song van

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