Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
duong manh » duong van
hanh luan » khanh luan, hang luan, hanh luat
van nhung » van nhuong, va nhung, van hung
cong manh » cong danh, cong thanh, hoang manh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan tap, toan tai
toan ban » 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 - hanh luan van nhung ((cong manh) OR (duong manh)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh luan van nhung ((cong manh) OR (duong manh)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh luan van nhung ((cong manh) OR (duong manh)) ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh luan van nhung ((cong manh) OR (duong manh)) ((toan cau) or (toan ban))*.