Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
doi hieu » doi chieu, doi hien, hoi hieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi hieu) or (doc hieu)) lang - ((canh manh) or (lanh manh)) cua nhung cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi hieu) OR (doc hieu)) lang - ((canh manh) OR (lanh manh)) cua nhung cong dan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((doi hieu) or (doc hieu)) lang - ((canh manh) or (lanh manh)) cua nhung cong dan phan tu*.