Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
hanh tang » hanh trang, hanh mang, hanh tung
cua thong » cua thuong, cua khong, cua tong
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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 - ((((hanh tang) or (hanh trinh))) or (anh tang)) cua thong cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((((hanh tang) OR (hanh trinh))) OR (anh tang)) cua thong cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((((hanh tang) or (hanh trinh))) or (anh tang)) cua thong cong dan than ban*.