Perhaps you should try some spelling variations:
thanh tung » thanh cong
trong xuat » trong thuat, trong hoat, trong xay
hieu lang » chieu sang, hieu quang, nhieu tang
xuat phan » thuat phan, xuat nhap, luan phan
doi hieu » doi chieu, doc hieu, doi hien
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh tung cua dung trong xuat phan cau~.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh tung cua dung trong xuat phan cau*.