Perhaps you should try some spelling variations:
quang hung » quang phuong, quang trung, quang cuong
quang dung » quang trung, ung dung, cuong dung
tieu sach » chieu sach, dien sach, te sach
hanh dinh » thanh dinh, hanh tinh, anh dinh
hinh dinh » binh dinh, trinh dinh, hinh anh
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan dau » phan dau, han dau, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - ((hanh dinh) or (hinh dinh)) ((quang hung) OR (quang dung)) cong dan chan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh dinh) OR (hinh dinh)) ((quang hung) OR (quang dung)) cong dan chan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - ((hanh dinh) or (hinh dinh)) ((quang hung) OR (quang dung)) cong dan chan dau".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh dinh) or (hinh dinh)) ((quang hung) OR (quang dung)) cong dan chan dau*.