Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
danh thanh » dinh thanh, dang thanh, nhanh thanh
khang cong » hang cong, thanh cong, dang cong
thanh van » thanh san, thanh toan, thanh phan
van khang » van khanh, van thanh, van quang
cong van » cong vang, cong san, song van
toan cao » toan tap
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: theo ((chieu sach) or (chieu tinh)) - danh thanh van khang cong van ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - danh thanh van khang cong van ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - danh thanh van khang cong van ((toan cao) or (toan ban))*.