Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhiet nang » nhiet dong, viet nang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
chinh va » chinh ta, chinh tai, hanh va
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan 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 ((chiet tach) or (nhiet nang)) - hanh chinh va nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (nhiet nang)) - hanh chinh va nhung cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (nhiet nang)) - hanh chinh va nhung cong san toan tap*.