Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
luan sinh » luan kinh, xuan sinh, luan tinh
sinh cong » minh cong, trinh cong, chinh cong
phan chat » phan phat, phap chat, nhan chat
cong san » cong tac
san phan » san pham, van phan, sat phan

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 - hanh dung luan sinh cong san phan chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - hanh dung luan sinh cong san phan chat*.