Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dan phan » doan phan, van phan, dam phan
dan chan » dan gian, dan ca, van chat

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

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