In a large bowl add sifted flour and butter. Combine together with clean hands, rubbing the butter and flour together. Add unsweetened coconut, sugar and baking powder. Pour can of mandarin oranges in a bowl and chop into small pieces. Add to flour mixture, along with the juice. Crack eggs in a bowl and beat together, add to flour mixture. Mix all ingredients together with spoon or hands until all combined. Line baking sheet with a piece of parchment paper. Scoop out about 1/4 cup of the dough and place them 1 inch apart on prepared baking sheet. Bake in a 350ºF pre-heated oven for 15 to 20 minutes.