Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
phan trong » pham trong, nhan trong, phan thuong
thanh chau » thanh cha, thanh cham, thanh chu
phan tong » phan cong, han tong, phan hong
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu xanh - hanh trinh luan ((phan tong) OR (phan trong)) dan ((thanh chau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh trinh luan ((phan tong) OR (phan trong)) dan ((thanh chau) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh luan ((phan tong) OR (phan trong)) dan ((thanh chau) or (toan cao))*".