Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
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 » hang dau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh manh cua nhung cong tan ((phan dau) OR (phan tu))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh manh cua nhung cong tan ((phan dau) OR (phan tu))*.