Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, hanh dong
dung xuan » duong xuan, dung luan, dung quan
xuan sinh » xuan dinh, xuan kinh, xuan minh
sinh cong » minh cong, trinh cong, chinh cong
phan chat » phan phat, phap chat, nhan chat
doc hieu » hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) sach - hanh dung xuan sinh cong tan phan chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sach - hanh dung xuan sinh cong tan phan chat*.