Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
tang luan » dung luan
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
hach toan » thanh toan, manh toan
anh tang » anh bang, anh dang, anh nang
tam toan » tap toan, tam than, pham toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu tinh)) - anh tang luan hang cong ((tam toan) or (hach toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - anh tang luan hang cong ((tam toan) OR (hach toan)) ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - anh tang luan hang cong ((tam toan) or (hach toan)) ban*.