Perhaps you should try some spelling variations:
nhanh thanh » nhanh tinh
chieu sang » chieu sach, chieu xanh, hieu lang
phan thanh » pham thanh, ban thanh, van thanh
luan tuong » luan luong, luat thuong, xuan truong
luan phong » luan phuong, xuan phuong, van phong
doi chieu » doc hieu, doi chi, ho chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 sang - ((phan thanh) or (nhanh thanh)) ((luan tuong) or (luan phong)) cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((phan thanh) OR (nhanh thanh)) ((luan tuong) OR (luan phong)) cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((phan thanh) or (nhanh thanh)) ((luan tuong) or (luan phong)) cong tac toan tap*.