Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
dong duong » tuong duong, cuong duong, dong thong
trang cua » tranh cua, tang cua, trung cua
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 trang cua ((dong duong) or (dong thuong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh trang cua ((dong duong) OR (dong thuong)) dan than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - hanh trang cua ((dong duong) or (dong thuong)) dan than cau*".