To see if you are connected correctly to your neighbours, select ‘Tools -> View Neighbours’
For each node that you have added you will now see ‘numberOfAllTransactions’, ‘numberOfNewTransactions’ and ‘numberOfInvalidTransactions’.
If all of these are shown as 0, then you are not connected to that node. Perhaps they are offline or they have not added your IP address.
If you are properly connected you should expect to see something like this:
It is desirable for your neighbours to have a high number of NewTransactions - this means they are seeing fresh transactions that you have not yet received.
It may be the case that only a few neighbours are sending you transaction information at any given time.