Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hanh ban » thanh ban, hang ban, hanh han
hanh san » thanh san, khach san, thanh son
cong dan » cong san, cong tan, huong dan
dan nhan » danh nhan, dan chan, van nhan
nhan tai » hang tai, van tai, toan tai

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) OR (theo tieu)) sach - ((hanh ban) or (hanh san)) cua thong cong dan nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - ((hanh ban) OR (hanh san)) cua thong cong dan nhan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) sach - ((hanh ban) or (hanh san)) cua thong cong dan nhan tai".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) sach - ((hanh ban) or (hanh san)) cua thong cong dan nhan tai*.