Complex sentence: The month long tour, during January 1978, turned out to be a big disappointment for both the sides, the Lankan visitors were disappointed by the low quality of local opposition, while the local players found their opponents too difficult to handle.
Split into simpler sentences: The month long tour, during January 1978, turned out to be a big disappointment for both the sides. The Lankan visitors were disappointed by the low quality of local opposition, while the local players found their opponents too difficult to handle.