Perhaps you should try some spelling variations:
dang chong » dang cong, dang cuong, dang thuong
chong phap » phuong phap
doi chieu » doc hieu, doi chi, mot chieu
phap phan » phap phat, phap hoan, phap luan
han dung » chan dung, han duong, hanh dung
dung lua » dung luan, dung luat, dung cua
lua dang » cua dang, lua sang, luan nang
phan dau » phan tu, hang dau

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