Perhaps you should try some spelling variations:
dung cong » dung trong
cong phan » cong nhan, cong khan, chong phap
phan phan » phap phan, phan phat, than phan
doc hieu » hoc thieu, hoc hien
hanh lam » thanh lap, hanh kem, hanh va
van dung » van dong, xay dung, tin dung
phan lap » phan dau
lam van » lam san, nam van, dam van

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