Buyers are quite easy to find for these kind of domains (check who advertises in adword or similar). Chances are you can sell them for a couple 100$. It requires quite a bit of work and many domainers consider it's not profitable enough to pursue.
Below are examples of recent transactions found on namebio
Domain Price TransactionDate
delawarepersonalinjurylawyers.com 300 5/16/2016
personalinjurylawyerschicago.com 200 3/19/2016
personalinjurylawyervancouver.com 204 7/26/2015
raleighpersonalinjurylawyer.com 150 5/3/2015
However, be aware that for this kind of domains, the vast majority of transactions are direct sales and hence, are not reported in any market place