Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
hanh tang » hanh trang, anh tang, hanh mang
bang cong » dang cong, bang song, dung cong
hang cong » dang cong, hang nong, thanh cong
ban thanh » ban hanh, ban hang
thanh cac » hanh cac, thanh bac, thanh ca
tang cua » mang cua, hang cua, tang luan

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