Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
chieu sang » chieu sach, chieu xanh, hieu lang
chong phap » phuong phap
doi chieu » doc hieu, doi chi, mot chieu
long cong » luong cong, cong cong, tong cong
dung cong » dung trong
tran ban » tranh ban, tran van, toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - nhanh chong phap ((long cong) OR (dung cong)) tan tran ban~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - nhanh chong phap ((long cong) or (dung cong)) tan tran ban*.