Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh anh » thanh binh, thanh san, hinh anh
theo chu » theo chieu, cho chu, chao chu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
cua chu » sua chua
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (cua chu)) xanh - thanh anh va thuong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (cua chu)) xanh - thanh anh va thuong cong tac toan ban*.