"If there's something available and there's a deal to be done, we'll try to do it," he said. "But we have to have people who are going to come and improve us.
"There have been one or two inroads maybe. But you think you're getting somewhere and then it shuts in your face.
"We said from day one that January was always going to be difficult. There's been one or two sensational transfers over the years – Virgil van Dijk for example – but usually teams don't want to sell their best players.
"It's a difficult market. You end up looking at people who have fallen out with somebody - and that's not a good thing.
"But I've said all along that if we can improve the team, I'll try to do it. That goes for midfield, up front or a defender. It's fair to say we would like to add to our firepower, of course we would, but it's very difficult."