Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
khong cang » thong cong, hong bang, khong dung
hang hang » nang hang, cang thang, hung thang
hay khong » bay khong, hang khong, hoac khong
tap doanh » tap doan, lap doanh, tap danh
doanh bat » danh bat, doanh tai, doanh va
hang hay » hang hai, hang ha, hoang hai
cang tap » hang tap, cuong tap, cong tac

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 sach) or (chieu xanh)) - hang hang hay khong cang tap doanh bat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu xanh)) - hang hang hay khong cang tap doanh bat.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu xanh)) - hang hang hay khong cang tap doanh bat*.