Complex sentence: Two fishermen found a silver cross in at Korsnes in Korsfjorden, they tried to get the cross on land with Milde, but the cross was too heavy to carry, so they knew that the cross was meant for Fana.
Split into simpler sentences: Two fishermen found a silver cross at Korsnes in Korsfjorden, and they tried to get the cross on land near Milde. However, the cross was too heavy to carry, so they knew the cross was meant for Fana.