Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tan han » tan nhan, tran han, van han
tan van » tran van, tang van, luan van

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 (chiet tach)) - canh tranh cua nhung cong ((tan han) OR (tan van)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chiet tach)) - canh tranh cua nhung cong ((tan han) OR (tan van)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chiet tach)) - canh tranh cua nhung cong ((tan han) OR (tan van)) tu".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chiet tach)) - canh tranh cua nhung cong ((tan han) OR (tan van)) tu*.