Specific examples depend on the data within your uploaded mailing lists. A few generic examples are listed below.
Example 1 - Using standard fields
Find all records on List A, List B and List C where “State” equals California, New York, Texas
Example 2 - Using custom fields
Find all records on List B and List D where “Product_Category” contains software, hardware, peripherals
Example 3 - Using standard & custom fields
Find all records on List C, List D and List G where “Title” contains VP and “Purchase_Amount” is greater than or equal to $100.00