I don't know a lot about the local bond market in your country. However, it sounds as though you are within 24 months of retirement. Having a stake in bonds makes sense because you are at a very fragile period should the market nose-dive.
Based on your username, are you in Chile? The economic forecast for Chile is excellent over the next few years, including 3.6% real GDP growth (http://www.oecd.org/economy/chile-economic-forecast-summary.htm). Do you have a strategy for increasing your income? It's possible that one more strategic job change can add additional income and ease your cash flow situation.
Based on your username, are you in Chile?