What extra efforts does a dad can do to be closer to his two little girls?

This article might provide some useful tips and tricks. https://ph.theasianparent.com/how-to-spend-more-time-with-your-kids/ I don't know a lot about your particular situation, but I'd argue that sometimes it's the little things that count. Try making the most of the little things, and soon the big AND little things can help bring you and your daughters together.

Just be there for her. Get to know what she's interested in, and work from there. For example, if she likes One Direction, learn their names and even some of the songs. It'll give you something to talk about :)