Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, hanh dong
phan cong » thanh cong
cong phan » cong nhan, cong khan, chong phap
phan phap » pham phap, phan phat, han phap
doc hieu » hoc thieu, hoc hien
dung dan » dung dat, dung san, tung dan
dan phan » doan phan, dan chan, van phan
phap lap » phan lap, phap lam, phap luat

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)) sang - hanh dung dan phan cong phan phap lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sang - hanh dung dan phan cong phan phap lap.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) sang - hanh dung dan phan cong phan phap lap*.