t() function for a print('text') doesn't work

Well first of all i installed drupal5.12 , and made all upgrades , so for a some time everything was ok , but now when i create new page i can't find string throw the locale . For example i create page node/70 also created page-node-70. as there i created some special page with custom content , with

or well and for this i can't find strings in locale to be translated in another language , Could anybody help me please !!