Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
anh thuong » anh huong, hang thuong, tnhh thuong
thuong cua » huong cua, thong cua, truong cua
cong cong » cong dong, trong cong, dung cong
cong thuc » cong tac
pham tap » pham tai, pha tap, phan 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 tinh) or (chieu sang)) - anh thuong cua cong cong thuc pham tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu tinh) OR (chieu sang)) - anh thuong cua cong cong thuc pham tap*.