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
ban cong » bang cong, van cong, phan cong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
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 ban cong dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh khung cua ban cong dan chan cau*.