Perhaps you should try some spelling variations:
trong thuan » trong thuat, trong tuan, trong chuan
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
trong than » trong thanh, trong tan, trong thai
doanh cua » doanh luan
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 xanh) OR (chieu sach)) - canh doanh cua dung ((trong than) or (trong thuan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - canh doanh cua dung ((trong than) OR (trong thuan)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - canh doanh cua dung ((trong than) or (trong thuan)) phan tu".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - canh doanh cua dung ((trong than) or (trong thuan)) phan tu*.