Complex sentence: The work continued later by Lee Joo-Young and Matthew Hartmann enough to put their club a 15 lead cushion, Blue Guards was able to hold in the last 15 minutes of the first half.
Split into simpler sentences: The work continued later by Lee Joo-Young and Matthew Hartmann enough to put their club by leading 15 goals. The team was able to hold the score in the last 15 minutes of the first half.