Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhanh lang » nhanh quang, nhanh thang, nhan dang
phuong lan » phuong la, thuong lan, phuong linh
doi chiet » doi chieu, doi chi, doi viet
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 chiet tach - nhanh lang ((cua dang) or (cua cong)) phuong lan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - nhanh lang ((cua dang) OR (cua cong)) phuong lan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - nhanh lang ((cua dang) or (cua cong)) phuong lan toan ban*.