Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
cong huong » cong thuong, cong luong, cong hung
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu xanh) OR (tieu danh)) - anh tang cua ((dong thuong) or (cong huong)) tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - anh tang cua ((dong thuong) OR (cong huong)) tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - anh tang cua ((dong thuong) or (cong huong)) tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - anh tang cua ((dong thuong) or (cong huong)) tinh toan cau*.