Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sang » chieu sach, chieu xanh, hieu lang
luan trong » quan trong, luat trong, luan tuong
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong lang » cong vang, cong luong, cong quang
lang van » dang van, tang van, hoang van
van tan » van tuan, van ban, van tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (chieu sang)) - hanh tang luan trong cong lang van tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (chieu sang)) - hanh tang luan trong cong lang van tan*.