Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trang luan » tang luan, tranh luan, truong luan
trang tuan » tran tuan, trung tuan, trong tuan
dong thanh » truong thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong dong » dong duong, cong dong, dung dong
thanh hoa » thanh pho

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sach)) - hanh ((trang luan) OR (trang tuan)) dong dong thanh hoa dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - hanh ((trang luan) OR (trang tuan)) dong dong thanh hoa dan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (chieu sach)) - hanh ((trang luan) OR (trang tuan)) dong dong thanh hoa dan".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - hanh ((trang luan) OR (trang tuan)) dong dong thanh hoa dan*.