Perhaps you should try some spelling variations:
thanh khung » thanh hung, thanh chuong, thanh phuong
tieu sang » chieu sang, tieu dung, tiem nang
khung cua » chung cua, khung luan, chung cu
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - thanh khung cua bang cong san chan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh khung cua bang cong san chan cau*.