To create an efficient Search form, you can enable the multi-select option for listbox fields in your search forms.
Note: Submission Forms and Update Forms don’t have multi-select option as a standard feature.
To add the multi-select feature, edit the Report DataPage and proceed to Configure Search Fields screen. Select the field for which you want to enable multi-select feature, and on the Standard tab choose Listbox from the form element dropdown.
Go to the Advanced tab and enable Allow multi-select. Match any (OR) returns all records containing any of the selected values.
Here’s an example of the deployed DataPage: