If you can't find needed characters in a Unicode table of a new language creation dialog, please follow the steps below:

Searching for characters in the system:

1. Type Win+R on your keyboard;
2. Type charmap;
3. In the opened characters table choose the font and find the characters you need. 

If you have found the characters:

1. Open the Alphabet selection window of the new language creation dialog of Finereader PDF 15;
2. Past all alphabet characters you need to the following line:
3. Press OK and finish the process of new language creation;
4. Start the recognition with training process.

If you haven't found the characters:

1. Download and install the font that supports characters you need;
2. Check if needed characters now appear in FineReader PDF 15;
3. If the situation persists, proceed to the Searching for characters in the system section of this instruction.