WEB SERACH (WORKS as expected)
==============================

'omit_targeted' = None

Bug.id = BugTask.bug AND BugTask.distroseries = 3 AND ((BugTask.status = 10) OR (BugTask.status = 15) OR (BugTask.status = 20) OR (BugTask.status = 21) OR (BugTask.status = 22) OR (BugTask.status = 25)) AND Bug.duplicateof is NULL


API SEARCH (default) (buggy)
============================

'omit_targeted' = True

Bug.id = BugTask.bug AND BugTask.distroseries = 3 AND ((BugTask.status = 10) OR (BugTask.status = 15) 
                        AND (Bug.date_last_message IS NOT NULL
                             AND BugTask.date_incomplete <=
                                 Bug.date_last_message)
                         OR (BugTask.status = 15) 
                        AND (Bug.date_last_message IS NULL
                             OR BugTask.date_incomplete >
                                Bug.date_last_message)
                         OR (BugTask.status = 20) OR (BugTask.status = 21) OR (BugTask.status = 22) OR (BugTask.status = 25)) AND Bug.duplicateof is NULL AND BugTask.distroseries is NULL AND BugTask.productseries is NULL


API SEARCH (omnit_targeted=False) (WORKS as expected)
===============================

'omit_targeted' = False

Bug.id = BugTask.bug AND BugTask.distroseries = 3 AND ((BugTask.status = 10) OR (BugTask.status = 15) 
                        AND (Bug.date_last_message IS NOT NULL
                             AND BugTask.date_incomplete <=
                                 Bug.date_last_message)
                         OR (BugTask.status = 15) 
                        AND (Bug.date_last_message IS NULL
                             OR BugTask.date_incomplete >
                                Bug.date_last_message)
                         OR (BugTask.status = 20) OR (BugTask.status = 21) OR (BugTask.status = 22) OR (BugTask.status = 25)) AND Bug.duplicateof is NULL