Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, tien anh
hanh tang » hanh trang, anh tang, hanh mang
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
tang cua » mang cua, hang cua, tang luan
dan toan » van toan, dan than, manh toan
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 (dieu hanh)) - hanh tang cua ((hang cong) OR (dang cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - hanh tang cua ((hang cong) OR (dang cong)) dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (dieu hanh)) - hanh tang cua ((hang cong) OR (dang cong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - hanh tang cua ((hang cong) OR (dang cong)) dan toan cau*.