Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trang va » hang va
tran van » luan van
dan toan » van toan, dan than, manh toan
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh ((trang va) or (tran van)) nhung cong ((dan toan) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trang va) OR (tran van)) nhung cong ((dan toan) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trang va) or (tran van)) nhung cong ((dan toan) or (van than)) cau*.