Perhaps you should try some spelling variations:
cong trong » cong thuong, duong trong, cong trinh
trong thuc » trong thu, thuong thuc, trong thuat
doi chieu » doc hieu, doi chi, mot chieu
phan dan » phan dang, phan dau, nhan dan
dan cong » dang cong, van cong, dan dong
thuc dan » thuc hanh, hoc dan, thuc vat
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh 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 dan cong trong thuc dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - phan dan cong trong thuc dan than cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - phan dan cong trong thuc dan than cap*.