Perhaps you should try some spelling variations:
thpt thang » thpt hung, tat thang, thpt quang
thang phan » thanh phan, thong phan, than phan
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
cong thpt » cong thuc, cong thai, cong nhat
phan tin » phan tien, phan tan, phan tieng
phan cap » phan lap, phan tap, phan cac

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 - phan tin dung cong thpt thang phan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - phan tin dung cong thpt thang phan cap*.