Perhaps you should try some spelling variations:
hanh thinh » hanh chinh, hanh trinh, hanh tinh
thinh chat » tinh chat, trinh chat, thinh phat
doi chieu » doc hieu, doi chi, mot chieu
chat dung » chan dung, hat dung, chat luong
dung cong » dung trong
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: ((toc thieu) or (doi chieu)) tinh - hanh thinh chat dung cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (doi chieu)) tinh - hanh thinh chat dung cong tan phan tu*.