Complex sentence: On 19 February, al-Nusra Front recaptured Tell Fatima and advanced towards Deir Maker, however, but after fierce resistance from the 9th Armored Division Al Nusra retreated to recently captured hill after suffering 22 dead.
Split into simpler sentences: On 19 February, al-Nusra Front recaptured Tell Fatima and advanced towards Deir Maker. However, after fierce resistance from the 9th Armored Division, al-Nusra retreated to the recently captured hill after suffering 22 dead.