CRUD: Table search not working properly

I switched from V3.2 to V3.3 and it’s awesome that ajax search is enabled by default and that relations are working as expected.

I have a huge table with more than 10k+ movies and another table with more than 2k+ series. The problem now is that the tablesearch mostly won’t return any result.

Database structure: movie_id | title | other columns.

If I now search for example for: Trick’r Treat oder just Trick I don’t get any result. The same occurs for many other movies like Lucy, Project X etc. but some are working like: Matrix. The same behaviour occurs for the series table.

I don’t know if this matters but i have multiple 1-n relationships like:

$this->crud->addColumn([
            // 1-n relationship
            'label' => "Author", // Table column heading
            'type' => "select",
            'name' => 'id', // the column that contains the ID of that connected entity;
            'entity' => 'user', // the method that defines the relationship in your Model
            'attribute' => "name", // foreign key attribute that is shown to user
            'model' => "App\Models\User", // foreign key model
        ]);

Before the update it worked perfect. Why am I getting mostly no results anymore?