Perhaps you should try some spelling variations:
truong thuc » thuong thuc, trong thuc, trung thuc
doi chieu » doc hieu, doi chi, mot chieu
ca truong » cac truong, cua truong, cao truong
gian dan » gian lang
thuc dan » thuc hanh, hoc dan, thuc vat
dan phan » doan phan, dan chan, van phan
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 - gian dan ca truong thuc dan phan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - gian dan ca truong thuc dan phan cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - gian dan ca truong thuc dan phan cap*.