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