Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
bang cong » dang cong, bang song, hang cong
tang cua » mang cua, hang cua, tang luan
cua bang » chua bang, cua ban, cua dang
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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 tang cua bang cong ((dan than) or (dan chan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang cua bang cong ((dan than) OR (dan chan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang cua bang cong ((dan than) or (dan chan)) cao*.