Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chinh ca » chinh ta, chinh va, chinh tai
ca nhung » cua nhung, cam nhung, va nhung
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: doi ((chieu sach) or (((chieu sang) or (hieu lang)))) - hanh chinh ca nhung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - hanh chinh ca nhung cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (((chieu sang) or (hieu lang)))) - hanh chinh ca nhung cong manh toan ban*.