Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hang cong » dang cong, hang nong, bang cong
van hanh » van thanh, ban hanh, van anh
hanh lua » hanh luat, hanh sua, hanh cua
lua hang » cua hang, lua sang, mua hang
cong tu » cong ty, cong cu, dong tu
pha tap » pham tai
tu pha » tu phat, tu phap, tu phai

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) or (chieu tinh)) - van hanh lua hang cong tu pha tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu tinh)) - van hanh lua hang cong tu pha tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu tinh)) - van hanh lua hang cong tu pha tap*.