Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
cang thang » cong thanh, dang thanh
dung cong » dung trong
tung cap » trung cap, cung cap, thong cap
cap dung » ap dung, cao dung, chan dung
ban than » ban thanh, van thanh, ban hang

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)) - thanh tung cap dung cong ((cang thang) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu tinh)) - thanh tung cap dung cong ((cang thang) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu tinh)) - thanh tung cap dung cong ((cang thang) or (ban than)) cau*.