Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
dung huong » dung thuong, dung phuong, dong huong
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap
tinh su » trinh su, hinh su, tinh tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) OR (chieu sach)) - may tinh su dung huong dan phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - may tinh su dung huong dan phan cac".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sach)) - may tinh su dung huong dan phan cac*.