I don't think you can search the forum. But you can edit or delete your post by clicking the arrow on the bottom right of your post like this
Sweetsis_warrior:How do members follow actors on mdl
This feature hasn't been implemented yet.
chingchangchong:I don't even know how to send them flowers,
chingchangchong:I don't even know how to get a one month subscription
You can find the Support Us button in the site's footer section. Alternatively, you can access the subscription by clicking on your profile photo at the top right of the page and selecting the Hide Ads option from the dropdown.
chingchangchong:search the forum
The search option in the forum can be located only on the Forum Home page.
Also, I think it's appropriate to create a new thread if you have any more questions.