Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh hang » thanh hang, hang hang, hanh han
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
hang cua » mang cua, hang ca, huong cua
cua bang » chua bang, cua ban, cua dang
dan toan » van toan, dan than, xuan toan

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 hang cua bang cong ((dan toan) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh hang cua bang cong ((dan toan) OR (manh toan)) cao*.