Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
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) or (hanh mang)) luan nang cong ((dan than) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tang) OR (hanh mang)) luan nang cong ((dan than) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tang) or (hanh mang)) luan nang cong ((dan than) or (dan chan)) cau*.