Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
quan trien » quang thien, quan tri, quan dien
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
quan tren » quan trong, quang tran, quan tri
cua dung » cua dang, cua dong, qua dung

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 - canh tranh cua dung trong ((quan trien) OR (quan tren)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - canh tranh cua dung trong ((quan trien) OR (quan tren)) van".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh tranh cua dung trong ((quan trien) OR (quan tren)) van*.