like this one) that suggest that Bangladeshis have been named in 'The Panama papers'
As of now, that is not the case.
The only names of Bangladeshi politicians and businessman linked to offshore companies that have been released by the ICIJ consortium relate to an earlier 2013 leak of information involving the British Virgin Islands.
You can read about the details that were published about Bangladeshis in 2013 here
However, ICIJ have created a public database of some of that 2013 leaked information which also can be accessed here.
Just search for Bangladesh, and you will get quite a lot of information, though no corroborative documents.
It should be emphasised that none of the information in this database relates to the Panama Papers - only to the 2013 leak. It is not new.