Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
hieu xanh » chieu xanh, hieu manh, hieu nganh
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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 luan dong cong tac ((than cau) or (((phan cac) OR (phan dau))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh luan dong cong tac ((than cau) OR (((phan cac) OR (phan dau)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh trinh luan dong cong tac ((than cau) or (((phan cac) OR (phan dau))))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh luan dong cong tac ((than cau) or (((phan cac) OR (phan dau))))*.