function GoogleCallback(jqueryObj, data) {
   console.log('data', data);
}

$(function () {
  $.ajax({

    url: 'http://ajax.googleapis.com/ajax/services/search/web?v=1.0?key=*ТУТ КЛЮЧ*&q=PHP&callback=GoogleCallback&context=?',
    dataType: "jsonp",
    error: function() {
      console.log(':(((');
    }
  });

});

/* callback */
GwebSearch.RawCompletion('0', null, 400, 'invalid version', 200)

function googleSearch(e){
        $.ajax({
        url:'https://ajax.googleapis.com/ajax/services/search/web?v=1.0&rsz=large&q='+e+'&callback=GoogleCallback&context=?',
        dataType: 'jsonp'
});