Well if all those vob/bup/ifo files are from one movie/video, then just use open up Nero, go to dvd-video, put in your empty dvd, double click video_ts, browse to the folder where your video files are then select them all to be added. Burn away.
If you have IMGBurn you can use the Build mode to make an ISO of the DVD to burn to disc. Here is a GUIDE on how to use the build option in IMGBurn. If you do not have the program you can do a search and find it. It is freeware.
As Intel21 has suggested you can use Nero as well below are steps on how to use Nero to burn the files to a compliant DVD..
Start Nero Burning Rom and follow the image below...
