Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tai » thanh tai, hang tai, han tai
han cong » phan cong, hang cong, hanh cong
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh
tai cua » thai cua, tai cuc, tri cua
cua han » cua hang, cua nhan, cua phan

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 tai cua han cong ((tan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tai cua han cong ((tan toan) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tai cua han cong ((tan toan) or (van toan)) cao*.