Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
ndung cong » nhung cong, dang cong, duong cong
chong tai » thong tai, chong lai, chong mai
dung cong » dung trong
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - nhanh chong tai ((dung cong) or (ndung cong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - nhanh chong tai ((dung cong) OR (ndung cong)) dan phan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - nhanh chong tai ((dung cong) or (ndung cong)) dan phan tu*.