Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 ((((trung cap) OR (truong cao))) or (trung tam)) tong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((((trung cap) OR (truong cao))) OR (trung tam)) tong cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((((trung cap) OR (truong cao))) or (trung tam)) tong cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((((trung cap) OR (truong cao))) or (trung tam)) tong cong tac toan cau*.