Complex sentence: Although the Qing government lifted the restriction on inhabiting the coast, far fewer Punti poeple moved back than was expected, and thus the Qing government decided to provide incentives to the Hakka to populate the coast.
Split into simpler sentences: Although the Qing government lifted the restriction for inhibiting the coast, far few Punti poeple moved back as expected. The Qing government decided to provide incentive to Hakka to populate the coast.