Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doanh khoa » toan khoa
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
nhan cach » phan cac
cua hang » cua dang, cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu

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 - doanh khoa ((cua hang) OR (cua nhung)) cong tan ((phan cau) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - doanh khoa ((cua hang) OR (cua nhung)) cong tan ((phan cau) OR (nhan cach)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - doanh khoa ((cua hang) OR (cua nhung)) cong tan ((phan cau) or (nhan cach))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - doanh khoa ((cua hang) OR (cua nhung)) cong tan ((phan cau) or (nhan cach))*.