Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hang luan » tang luan, dung luan
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
hanh ban » thanh ban, hang ban, hanh san
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: theo chu xanh - ((hanh ban) or (hang luan)) cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh ban) OR (hang luan)) cua nhung cong tac toan cau*.