be sure to try the following:
SELECT
DMExQryStats.last_execution_time AS [Executed At],
DMExSQLTxt.text AS [Query]
FROM
sys.dm_exec_query_stats AS DMExQryStats
CROSS APPLY
sys.dm_exec_sql_text(DMExQryStats.sql_handle) AS DMExSQLTxt
ORDER BY
DMExQryStats.last_execution_time DESC
it will return recently executed requests along with the date and time of their execution