Dear Bro,

Try this to see is there any thing gonna come from her mouth. atlease an indication that she love u.

When you return home take some flowers for here and if you can cook the dinner for that would add some essence do all this with your honest love and care with full of fun.
Have a romantic evening...talk about some great love affairs from films,real life,express you self with affection.
Try get some openions on any other matters. She may open up once you open up yourself.Dont forget to respect her views rather arguing with that.
Then come to your love about her..Hopefully she will give her what u want to here...

I see you are saying 'short tempered; this could be puting a wall between u two, try to be cool....
Get her to talk more with any thing...
find out what she likes and dislike pamper her with your love not only by words action as well.

Even if she is not telling love u hope her actions resembles these...
act like a boy whose trying to win the love from a girl rather than acting like a typical husband.
Think you are not married but trying to win your girl friend.
Do not try to hurt her remember she is away from her home.
Have great time...Best regards