"We've been endeavouring to do that," said the Norwich boss.
"People on the outside think it's very easy to bring in the players you want. It doesn't work that way.
"If you look at the strikers who've come in you've got to look at the circumstances. That's generally big fees and big salaries.
"These are things that we have to work around. We're still hopeful that come Thursday we'll have some additions."