Train your strikers/wingers that can play as strikers to place their shoots or shoot with less power.
Look at their training schedules and focus on their finishing, decision making and composure.
Tweak your tactics abit to focus on more passing play and wing play to get more headers in and aerial goals. If not, look to more ground passing, slow tempo and build-up play so that you can look to create opportunities from the back.
These are just some examples.
EDIT-
I read it again and realised.
Go for:
Lukaku
Sanogo
Milevyski
Soldado
Composure and Finishing > 17 = players you should be looking at.
Just get a striker with decent composure with around 13-15 finishing will do the job if ur a btm table team e.g Danny Welbeck, u can get him on loan easily, Sanogo is also a good chioce for most low to mid table clubs.