Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
chat thong » chat chong, chat phong, chat trong
thong dan » thong van, tuong dan, thong den
dan luan » doanh luan, dung luan, tang luan
luan tu » luan thu, luat tu, tuan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao ((chieu sach) OR (chiet tach)) - nhanh tinh chat thong thong dan luan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao ((chieu sach) OR (chiet tach)) - nhanh tinh chat thong thong dan luan tu".
• Adding a wildcard symbol may retrieve word variants: cao ((chieu sach) OR (chiet tach)) - nhanh tinh chat thong thong dan luan tu*.