Ajax navigation cannot display page

Hi, please check my website http://www.tanyadok.com/konsultasi/ , i user dw q & a plugin, and i very love this cool plugin if you see navigation page and click number (ex 2,3 until 528) , the url bar became like this “http://www.tanyadok.com/konsultasi/?paged=2” but the page result cannot display, meanwhile when i click enter in my browser address bar, the page result is shown and the url became http://www.tanyadok.com/konsultasi/page/2 . i am very confused about this, can anyone give me advice to fix this problem. Thankyou any help will be appreciated 🙂