Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
canh manh » lanh manh, canh tranh, van manh
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((canh manh) OR (cach mang)) cua nhung cong san van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((canh manh) OR (cach mang)) cua nhung cong san van ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((canh manh) OR (cach mang)) cua nhung cong san van ban*.