Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
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) OR (toc thieu)) manh - canh tranh cua nhung cong dan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) manh - canh tranh cua nhung cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) manh - canh tranh cua nhung cong dan phan dau*.