Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
chieu sang » chieu sach, chieu xanh, hieu lang
toc chieu » toc thieu, doc hieu, hoc thieu
dung phan » dung nhan, dung luan, dung ha
phan cong » thanh cong
dung dat » dung va, dung tai
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sang - sach dung phan cong ((cang thang) or (dung dat)) phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sang - sach dung phan cong ((cang thang) OR (dung dat)) phan tap.
• Adding a wildcard symbol may retrieve word variants: toc chieu sang - sach dung phan cong ((cang thang) or (dung dat)) phan tap*.