Tax declaration in Germany

Hello! I have a question regarding tax declaration. I work in Germany, and I would like to do the annual tax declaration to be able to get some money back. Even thouhg I´m living here I have a house in my homecountry, which of course I have to still support nad represents expenses. Does anybody knows how I should declare this? I´m using a program for the tax declaration, and I do not fond that option, but I was told that I could claim that type of expese. I would very much appreciate your help.... Regards! Ivana