Find directories that are directly under /home/user/workspace directory (no-subdirectories) and were modified more than 30 days ago and print a message saying that the directory wasn't modified during last 30 days
find /home/user/workspace -mindepth 1 -maxdepth 1 -type d -mtime +30 -printf "\t- It seems that %p wasn't modified during last 30 day\n"