Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh khung » thanh hung, thanh chuong, thanh phuong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, mot chieu
khung cua » chung cua, khung luan, chung cu
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat

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 xanh - thanh khung cua thuong cong tac phan tu~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh khung cua thuong cong tac phan tu*.