Perhaps you should try some spelling variations:
thieu thanh » thien thanh, thi thanh, thu thanh
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
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: hoc thieu thanh - thanh trung ((cua dung) OR (cua dong)) cong dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu thanh - thanh trung ((cua dung) OR (cua dong)) cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu thanh - thanh trung ((cua dung) OR (cua dong)) cong dan than ban*.