I don't know if this is Windows specific, as I'm not at my Mac at the moment. I would guess, however, that this is an internal formatting issue with the module.
In Eerdman's Dictionary, I cannot amplify from a Title. For example:
Search Eerdman's for Colossae
Click in the word Colossae in the title for the article
from the Atlas toolbar item, choose an atlas "format" (e.g. Colors). An error box appears that explains that in order to amplify to the Atlas, the word cannot be in Greek or Hebrew. (Which it is not)
Dismiss this box and return to Colossae in the title. This time try to amplify to another resource (for example, the Bible Lands Photo Guide) This time, an error box will appear, telling you that the word does not occur in the Photo Guide, even though it does.
This does not happen when amplifying from the word Colossae in the text of the article. Nor does it happen when amplifying from words in the titles of articles of other modules (for example the Bible Lands Photo Guide or Holman Dictionary).
This occurs with more than just Colossae, but at least one Title (Caligula) does amplify correctly.
I will gladly report a correction if that is the way to go.