Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua
ho chieu » theo chieu, hoc thieu, doi chieu
than cua » nhan cua, thai cua, ban cua
manh cua » doanh cua, ban cua
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 ((than cua) or (((tranh cua) or (manh cua)))) nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((than cua) OR (((tranh cua) OR (manh cua)))) nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((than cua) or (((tranh cua) or (manh cua)))) nhung cong tac toan cau*.