Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
doc hieu » toc thieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 (doc hieu))) or (hoc hien)) sach - thanh trung cua nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thieu) OR (doc hieu))) OR (hoc hien)) sach - thanh trung cua nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thieu) or (doc hieu))) or (hoc hien)) sach - thanh trung cua nhung cong dan than cau*.