The index.php search returns mixed results. The Db has product numbers from 201 - 5077, sometimes with a letter at the end. Enter 2 returns only from 216 down; enter 201 returns no results; enter letters o or a returns all results, but entering a full word returns no results. Any product numbers with a letter at the end returns no results.
Prod_results.php search returns no results on any search.
Files attached; viewable online.