A silly problem of ORCA in Ubuntu 14.04

[Sunny p o]

Dear all,   I have installed Ubuntu 14.04 in my systom. I have some
satisfaction in screan reader. In this Liberoffice writer and calc are
very good for a blind. But a silly problem arise in firefox. While we
are pressing the appostrophy or slash key to find a link or a word
orca will not speak. Only we can hear it after pressing the escape
key. The same problem arise in a folder which contaings number of
files. we cannot hear the file name by pressing the first letter of
the file name.