Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, canh tinh, anh trinh
hanh trinh » canh tranh, hanh chinh
dung cong » dung trong
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((canh trinh) or (hanh trinh)) van dung cong ((dan phan) or (luan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((canh trinh) OR (hanh trinh)) van dung cong ((dan phan) OR (luan phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((canh trinh) or (hanh trinh)) van dung cong ((dan phan) or (luan phan)) cau*.