Perhaps you should try some spelling variations:
cong nhanh » cong thanh, cong nhan, cong khanh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
tinh lap » trinh lap, tinh lao, dinh lap

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