https://itch.io/search?q=Paolo+Fassin
I count 21 items. Some are marked as adult games, those will not show up when searching in a new private browser window. Or when adult content is not activated in someone's account.
Your game shows up just fine, in search and with tags. Even with all the clutter in the title, like ( " . Even the : ist part of the title.
https://itch.io/search?type=games&q=Bacci
https://itch.io/search?type=games&q=%E2%80%8BUltimate+version+%22Bacci+and+the+d...
https://itch.io/games/tag-fps/tag-high-score/tag-music/tag-pixel-art
And what is this nonsense about stolen game?
Did you google your game's name and saw those sites having information about your game and thought they "stole" your game? Seriously?
Also, please use the format options when writing a post.
Like when you quote someone, use the quote format option.