Perhaps you should try some spelling variations:
phan thang » phan thanh, pham thang, phan than
thang dang » thang long, phan dang, nhan dang
doi chieu » doc hieu, doi chi, mot chieu
cong phan » cong nhan, cong khan, chong phap
tuan phan » luan phan, toan phan, tuan pham
dang van » hoang van, hang va
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - thanh cong phan thang dang van tuan phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - thanh cong phan thang dang van tuan phan.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - thanh cong phan thang dang van tuan phan*.