Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
anh tang » anh bang, anh dang, anh nang
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 - ((hanh mang) or (anh tang)) cua ((hang cong) OR (bang cong)) tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh mang) OR (anh tang)) cua ((hang cong) OR (bang cong)) tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh mang) or (anh tang)) cua ((hang cong) OR (bang cong)) tac toan tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh mang) or (anh tang)) cua ((hang cong) OR (bang cong)) tac toan tap*.