Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong canh » cong danh, cong thanh, cong khanh
chu xanh » chu manh, chieu xanh, chua xang
canh van » anh van, can van, cach van

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu xanh) or (chieu sang)) - canh tranh cua nhung cong canh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xanh) OR (chieu sang)) - canh tranh cua nhung cong canh van ban.
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) or (chieu sang)) - canh tranh cua nhung cong canh van ban*.