First, we must establish what kind of problem you are having and then we can find the solution. If you have a problem with Google search, then you can report a problem with these steps.
You can also use the google contact phone number for calling and explaining your problem. Emailing Google about the problem could also work, but that may take some time because a person will need to understand your problem and then reply with a curated solution.
There is another option of a community forum on Google, and you can find the solution to almost all problems known because the users of the community will help the fellow users.
Some questions find by Google users-
How do I contact Google by email?
How do I report spam to Google?
How do I contact Google by phone?
How can I send an email to Google?
How do I get in contact with Google?