Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu
hang dau » hang va, hang tai

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

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