Complex sentence: From time to time proposals have been made to change the national anthem or to modify the text in order to make it more acceptable to non-Jewish Israelis; however, no such proposals have succeeded in gaining broad support.
Split into simpler sentences: From time to time proposals have been made to change the national anthem or to modify the text in order to make it more acceptable to non-Jewish Israelis. To date no such proposals have succeeded in gaining broad support.