Perhaps you should try some spelling variations:
nhuong cong » nhung cong, luong cong, duong cong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
van nhuong » van chuong, van phuong, van huong
hanh luan » khanh luan, hang luan, hanh luat
cong manh » cong danh, duong manh, cong thanh
toan cau » toan cao, toan ban, toan tap

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

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