Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
hanh hinh » hanh chinh, hanh dinh, hanh trinh
hanh tinh » hanh trinh, thanh tinh, canh tinh
cua nhung » va nhung
cong tac » cong ty
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: doi chieu xanh - ((hanh hinh) or (((hanh tinh) OR (nhanh tinh)))) cua nhung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((hanh hinh) OR (((hanh tinh) OR (nhanh tinh)))) cua nhung cong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((hanh hinh) or (((hanh tinh) OR (nhanh tinh)))) cua nhung cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hanh hinh) or (((hanh tinh) OR (nhanh tinh)))) cua nhung cong tac toan cao*.