Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
doan phan » doanh phan, toan phan, dan 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 ((chieu xanh) or (lieu tinh)) - canh tranh cua ((nhung cong) OR (thong cong)) doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (lieu tinh)) - canh tranh cua ((nhung cong) OR (thong cong)) doan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (lieu tinh)) - canh tranh cua ((nhung cong) OR (thong cong)) doan phan tu".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (lieu tinh)) - canh tranh cua ((nhung cong) OR (thong cong)) doan phan tu*.