Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
duong cong » dung cong, luong cong, duong trong
thien anh » thien danh, tien anh, thien thanh
qua duong » quan duong, qua dung, qua dong
hanh ban » thanh ban, hang ban, hanh san
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban
ban qua » ban quan, ban cua, ban sua

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