Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
dung cong » dung trong
mang cua » manh cua, dung cua, cong cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - anh ((mang cua) or (ban cua)) dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - anh ((mang cua) OR (ban cua)) dung cong tac toan cau*.