Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dang trong » dung trong, dong trong, lang trong
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, tap quan, bai toan

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 - canh tranh cua dang trong ((tan toan) or (tap toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh cua dang trong ((tan toan) OR (tap toan)) cau*.