Complex sentence: The Swedish victory at Zelbork resulted in yet another recapture of the city, however due to proviant problems, Garbiel De la Gardie couldn't persecute the retreating Polish army.
Split into simpler sentences: The Swedish victory at Zelbork resulted in yet another recapture of the city. However due to problems with provisioning his troops, Garbiel De la Gardie couldn't pursue the retreating Polish army.