Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
doi chieu » doc hieu, doi chi, mot chieu
hanh dong » anh dong, ha dong
dong phan » dung phan, cong phan, dong chan
phan sinh » phan slinh, nhan sinh, phau sinh
sinh cong » minh cong, trinh cong, chinh cong
phan chat » phan phat, phap chat, nhan chat

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