Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tu truong » tru truong, tu tuong, tu trong
dan thang » danh thang, van thang, dai thang
thang cap » thong cap, than cap, trung cap
nhan dan » phan dau, gian dan, nhan tai
thpt dan » thuc dan, tho dan
dan tu » danh tu, dan su, ban tu

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 - nhan dan tu truong thpt dan thang cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - nhan dan tu truong thpt dan thang cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - nhan dan tu truong thpt dan thang cap*.