Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
hoc thieu » hoc hien
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (toc thieu)) sach - thanh trung tuan trong cong dan thanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sach - thanh trung tuan trong cong dan thanh cac".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) sach - thanh trung tuan trong cong dan thanh cac*.