Personally, I think you have an incorrect understanding of what life on earth was like through the first thousand or so years of its existence. The face of the earth was not covered with people for quite some time and so just like lions living in Africa, many dinosaur species may have lived in specific areas of the earth that were not much inhabited by people. Even if you have some tribal group that moved into the area of the dinosaurs, it's not like there would be millions of people living alongside them. Further, the human body doesn't last thousands of years decomposing. So, there could well have been many humans that lived among the dinosaurs, but we don't have their bones to see them there because they have decomposed, as God says, from ashes to ashes and dust to dust.
I asked earlier if you lived in an area of deer. You said that you did. How many deer carcasses did you count lying in the grass on your way to work? Living organisms don't last long after death. The only reason that we have some dinosaur examples, which surely you must admit we don't have enough to think that we have a majority of their remains, is because of some special circumstance that led to the creature's remains being much slower to decompose. Many assign the special circumstance as being the flood. That the act of within a very, very short time after death a creature being covered with tons of mud and silt being what has preserved the few that we have.
So, I would just be thoughtful about making some claim that is based on some sketchy understanding that you have of what life was like during the first several hundred years of its existence. Today bones last a bit longer because we put them in sealed caskets where the water doesn't get to them to break them down. 5,000 years ago people were just buried in shallow dirt graves or somewhere out of the 'camp'. These bodies, within a matter of a couple of years, would have broken down and disappeared as far as any evidence of the body having lain someplace after death. That's why you don't see dead deer carcasses all over the earth, despite the fact that we know that millions upon millions have died on the earth. So, expecting some proof to be that two dead carcasses are still laying around in close proximity after 4,000 years, is not likely to be found today. And, I believe, a highly questionable position as to factual accuracy.