Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
chong cong » cong cong, thong cong, cuong cong
thien anh » thien danh, tien anh, thien thanh
hanh tang » hanh trang, anh tang, hanh mang
cua chong » cua cong, cua chung, cua khong
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
han tap » toan tap, nhan tai, nhan tao
han tai » hang tai, nhan tai, van tai

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh tang cua chong cong dan ((han tap) OR (han tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - hanh tang cua chong cong dan ((han tap) or (han tai))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - hanh tang cua chong cong dan ((han tap) or (han tai))*.