Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
dan phan » doan phan, dan chan, dam phan
van phan » van phong, van thanh, van ban

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 va nhung cong ((dan phan) or (((van phan) OR (luan phan)))) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh trinh va nhung cong ((dan phan) OR (((van phan) OR (luan phan)))) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh trinh va nhung cong ((dan phan) or (((van phan) OR (luan phan)))) tu".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh trinh va nhung cong ((dan phan) or (((van phan) OR (luan phan)))) tu*.