Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, hoc hien, hoc dieu
trinh nha » trinh phan, trinh chat, trinh chao
thuc hung » thuc chung, thuc nhung, thuc dung
cong lang » cong vang, cong luong, cong quang
ho chieu » theo chieu, hoc thieu, mot chieu
nha thuc » nhan thuc, nha thuoc, nham thuc
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (ho chieu)) sach - trinh nha thuc hung ((cong tan) or (cong lang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - trinh nha thuc hung ((cong tan) OR (cong lang)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) sach - trinh nha thuc hung ((cong tan) or (cong lang)) phan tu*.