Perhaps you should try some spelling variations:
dang cong » dung cong
cong nhat » cong nhan, cong ha, cong suat
nhat phan » thuat phan, nhat ban, phap phan
van dung » van dong, xay dung, tin dung
dung lua » dung luan, dung luat, dung cua
lua dang » cua dang, lua sang, luan nang
phan lap » phan dau
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) or (toc thieu)) sang - van dung lua dang cong nhat phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (toc thieu)) sang - van dung lua dang cong nhat phan lap.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (toc thieu)) sang - van dung lua dang cong nhat phan lap*.