Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
doanh qua » doanh quan, doanh cua, danh qua
cong manh » cong danh, duong manh, hoang manh
ho chieu » theo chieu, hoc thieu, doi chieu
qua dung » quang dung, su dung, qua song
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 - (kinh or dinh) doanh qua dung ((cong manh) OR (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - (kinh OR dinh) doanh qua dung ((cong manh) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - (kinh or dinh) doanh qua dung ((cong manh) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - (kinh or dinh) doanh qua dung ((cong manh) OR (cong thanh)) toan tap*.