I have no experience with either of these two dictionaries you've used.
Generally they are not designed to be used alone, just as look-up from a book you are reading.
The search word option on mine either goes to the choice of word, or gives a "not found".
I'm wondering if the dictionaries you have are 'empty' (hence the blank pages!).
There are a couple of dictionaries in the ebook area of MR, under reference - you could try one of those and see if you can get anything to work.....
Sorry I can't shed any other light on this - it must be frustrating for you ....
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