I am trying to use ol3-cesium.
Maps are being provided by the server mapguide.
I want to gets map tiles as mentioned in ol3-cesium.
I am getting nothing, no error even.
I recommend you open an issue on their github page, https://github.com/openlayers/ol3-cesium. They include Cesium as a 3rd party library and then have their own integration solution. If you get no where with them, I would recommend if possible posting a sample of your code so that others can see if there is a misconfiguration somewhere.