Perhaps you should try some spelling variations:
hthanh nhan » thanh phan, thanh nha, hanh nhan
theo chieu » theo tieu, theo chu, thi chieu
thanh nhan » thanh phan, thanh san, thanh toan
nhung cong » dung cong, thong cong, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ma » than man, than va, khan ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sach - ((hthanh nhan) or (thanh nhan)) va nhung cong dan than ma~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - ((hthanh nhan) OR (thanh nhan)) va nhung cong dan than ma.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - ((hthanh nhan) or (thanh nhan)) va nhung cong dan than ma*.