Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
bang cong » dang cong, bang song, hang cong
doc hieu » toc thieu, hoc thieu, hoc hien
van phan » van phong, van thanh, luan phan
van tuan » van quan, van ban, anh tuan

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 luat ((nhung cong) or (bang cong)) ((van phan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh luat ((nhung cong) OR (bang cong)) ((van phan) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh luat ((nhung cong) or (bang cong)) ((van phan) or (van tuan)) cau*.