Perhaps you should try some spelling variations:
tieu manh » tien manh, hieu manh, tieu danh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
dung cong » dung trong
bang cong » dang cong, bang song, hang cong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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