Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
cac thong » cac phong, cac tuong, tac thong
doi hieu » doi chieu, doc hieu, doi hien
tung cac » dung cac, vung cac, cung cac
thong va » trong va, thong cua, truong va
phat cap » phat am, phan cac, phan cau

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 cac thong thong va phat cap~.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh tung cac thong thong va phat cap*.