Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
cong thanh » dong thanh, cong trinh, cong tan
hieu xanh » chieu xanh, hieu manh, hieu nganh
suat dung » thuat dung, xuat duong, suat huong
tran chau » tranh chap, tran huu
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh trinh suat dung ((((cong san) or (cong ty))) or (cong thanh)) tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh suat dung ((((cong san) OR (cong ty))) OR (cong thanh)) tran chau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh suat dung ((((cong san) or (cong ty))) or (cong thanh)) tran chau*.