Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhanh thang, nhan dang
phuong lan » phuong la, thuong lan, phuong linh
doi chieu » doc hieu, doi chi, ho chieu
cua dang » cua ban
lan toan » van toan, dan toan, lap toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - nhanh lang ((cua dang) OR (cua cong)) phuong lan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - nhanh lang ((cua dang) OR (cua cong)) phuong lan toan ban".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - nhanh lang ((cua dang) OR (cua cong)) phuong lan toan ban*.