Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
ban cong » van cong, phan cong, ban huong
tac toan » tap toan, tam toan, hach toan
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 tranh cua ((ban cong) OR (bang cong)) tac toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tranh cua ((ban cong) OR (bang cong)) tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh cua ((ban cong) OR (bang cong)) tac toan cao*.