Using creative ways like startupideasdb:com to avoid the spam filter will only annoy the community and get your posts flagged. Using multiple accounts and different titles too

Pause for a month so everybody forgets about you. Read carefully https://news.ycombinator.com/newsguidelines.html and https://news.ycombinator.com/newsfaq.html and try to send a message to dang/tomhow asking for advice to make new posts.