Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
suat tong » suat thong, suat trong, suat tang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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: ho chieu xanh - hanh trinh suat tong ((((cong tan) OR (cong tac))) or (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh trinh suat tong ((((cong tan) OR (cong tac))) OR (huong dan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh suat tong ((((cong tan) OR (cong tac))) or (huong dan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trinh suat tong ((((cong tan) OR (cong tac))) or (huong dan)) toan cau*.