Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
trinh quan » tinh quang, trinh luat, trinh han
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu

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 - canh ((trinh toan) or (trinh quan)) nhung ((cong tan) OR (cong tac)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh ((trinh toan) OR (trinh quan)) nhung ((cong tan) OR (cong tac)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh ((trinh toan) or (trinh quan)) nhung ((cong tan) OR (cong tac)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh ((trinh toan) or (trinh quan)) nhung ((cong tan) OR (cong tac)) phan cau*.