Complex sentence: Ngueukam signed for Turkish club Denizlispor in January 2013, but returned FC Lahti, playing with them in the 2013 and 2014 seasons.
Split into simpler sentences: Ngueukam signed for Turkish club Denizlispor in January 2013. Ngeukam returned to FC Lahti, playing with them in the 2013 and 2014 seasons.