Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
khanh luan » khanh thuan, doanh luan, hang luan
hang nong » thang long, han tong
nong manh » nong lanh, duong manh, hoang manh
manh toan » thanh toan, anh tuan, tinh toan
van hang » van khang, van hoang, van thang
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chiet tach)) - khanh luan van hang nong manh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - khanh luan van hang nong manh toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - khanh luan van hang nong manh toan tap*.