Complex sentence: The Subaru Telescope of the National Astronomical Observatory of Japan extended the search for LABs (2) and found over 30 new LABs in the original field of Steidel et al.
Split into simpler sentences: The Subaru Telescope of the National Astronomical Observatory of Japan extended the search for LABs (2). They found over 30 new LABs in the original field of Steidel et al.