As there was no multi select functionality and users were not able to select the same filters again they had to create multiple triggers.
New functionality
Now users will be able to select multiple options in Forms, Surveys, Contains Phrase and Exact Match fields.
This will work as an "Or" functionality. For FB - Comments on a Post trigger, contains phrase field 5 options are present then the trigger will execute if the contact has commented any one of the phrases.
How to use?
Forms & Surveys - In the trigger the ability to select multiple options by clicking on them from the dropdown will be available for filters.
Contains Phrase & Exact Match - In the trigger the ability to select multiple options will be available by pressing "Enter" or "Return" after typing the text.