In advanced general settings you need to activate option "Show server logs" to show in your log when it is patial result.
You can try this code:
Logging.Write("Without meshconnetions");
wManager.wManagerSetting.CurrentSetting.PathFinderFromServer = true;
wManager.wManagerSetting.CurrentSetting.PathFinderRequestLog = true;
wManager.Wow.Helpers.PathFinder.FindPath(new Vector3(6975.315, 5187.96, 66.03867), new Vector3(7073.398, 5179.925, 66.0382), "MoguIslandDailyArea");
Logging.Write("With meshconnetions");
wManager.Wow.Helpers.PathFinder.OffMeshConnections.Add(new PathFinder.OffMeshConnection(new List<Vector3> { new Vector3(7076.924, 5200.99, 66.03947), new Vector3(7025.558, 5252.079, 84.2523) }, 1064));
wManager.Wow.Helpers.PathFinder.OffMeshConnections.Add(new PathFinder.OffMeshConnection(new List<Vector3> { new Vector3(7025.558, 5252.079, 84.2523), new Vector3(7076.924, 5200.99, 66.03947) }, 1064));
wManager.Wow.Helpers.PathFinder.FindPath(new Vector3(6975.315, 5187.96, 66.03867), new Vector3(7073.398, 5179.925, 66.0382), "MoguIslandDailyArea");
wManager.Wow.Helpers.PathFinder.OffMeshConnections.Load(); // reset offmeshes
result (in log):