Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
tranh cua » doanh cua, manh cua
cong dang » cong dan, cong dung, cong danh
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
hanh cat » hanh cac, hanh cham, hanh luat
hanh ca » hanh cac, hanh cua, hanh cad

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 nganh - canh tranh cua dang ((cong dang) or (cong dong)) ((hanh ca) OR (hanh cat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - canh tranh cua dang ((cong dang) OR (cong dong)) ((hanh ca) OR (hanh cat))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - canh tranh cua dang ((cong dang) or (cong dong)) ((hanh ca) OR (hanh cat))*".