Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
chinh qua » chinh cua, chinh sua, chinh quoc
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sach) or (((chieu sang) or (hieu va)))) - hanh chinh qua dung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sach) OR (((chieu sang) OR (hieu va)))) - hanh chinh qua dung cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sach) or (((chieu sang) or (hieu va)))) - hanh chinh qua dung cong san toan tap*.