Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh hang » thanh hang, hang hang, hanh han
hoa chong » hoa khong, hoa thong, hoa phuong
ho chieu » theo chieu, hoc thieu, doi chieu
hoa cong » cua cong, va cong, hoa co
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 hang ((hoa chong) or (hoa cong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh hang ((hoa chong) OR (hoa cong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh hang ((hoa chong) or (hoa cong)) cong tac toan cau*.