Complex sentence: Sinovec grew up with Usce Vizura Belgrade juniors, made his debut with Vizura during the 2005-06 season and played there till February' 09, moved to Ukraine, signed for the remainder of the season by Khimik.
Split into simpler sentences: Sinovec grew up with Usce Vizura Belgrade juniors, and made his debut with Vizura during the 2005--06 season. He played there till February' 09, when he moved to Ukraine and signed for the remainder of the season by Khimik.