Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh tran » canh tranh, hanh trang, banh trang
tran van » luan van
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau

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 - canh tran van ((nhung cong) or (dung trong)) doan ((phan cac) OR (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tran van ((nhung cong) OR (dung trong)) doan ((phan cac) OR (phan lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh tran van ((nhung cong) or (dung trong)) doan ((phan cac) OR (phan lap))*".