Following are a number of back-translations as well as a sample translation for translators of Hosea 5:13:

• Kupsabiny: “When Israel saw how it suffered and also Judah saw how their wounds were many, they both went to seek help from the big king of Assyria. But that one was unable to save or cure them.” (Source: Kupsabiny Back Translation)
• Newari: “‘When Ephraim saw his disease and
  when Judah saw his wound,
  Ephraim sent men to the great king of Assyria for help.
  But he was not able to heal you,
  he was not able to heal your wound.” (Source: Newari Back Translation)
• Hiligaynon: “‘When Israel and Juda saw their not good situation, Israel asked-for help from a mighty king of Asiria. But he could- not -help them.” (Source: Hiligaynon Back Translation)
• English: “When the leaders of Israel and Judah saw that the people were suffering
  because of what their enemies were doing to them ,
  they sent messages to the great King of Assyria
  requesting his help.
  But he cannot help you;
  he cannot cause you to stop suffering,
  because I am the one who is punishing Israel and Judah.” (Source: Translation for Translators)