Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
luan » quan, lan

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 ((tran van) OR (luan van)) nang cong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((tran van) OR (luan van)) nang cong dan ((than cau) OR (than cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((tran van) OR (luan van)) nang cong dan ((than cau) or (than cap))*".