Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
dung data » dung dat, dung dan, dung danh
data phan » dam phan, sat phan, vat phan
phan cong » thanh cong
cong phap » chong phap, cong phan, cong pham
phap phat » phap luat
phat lap » phan lap, phap lap, phat lam

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