how do I search for my specfic questions on the forum

I'll admit, search on this forum is not what it should be.

Just tell us what's going on and we might can help. We do need certain bits of information, so it'd be good to read this first: Writing an effective Apple Support Commun… - Apple Community

If the results from built-in search page are not adequate, you can use search engines like google to search, for all except the last few days which typically have not been "crawled" yet.

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If you add a qualifier like:

/site:discussions. apple.com

discussions will come up very early in the results.

If you use instead:

/site:support.apple.com

You will also get Knowledge-base articles included.

If you want instead a list of discussions you previously contributed to, use the "My subscriptions" link at the top of every Discussions page.

Click here: Search