Looking for an expert to find the reason why it is not indexed in the website of Sousse on 1C-Bitrix

The website nova-juris.ru created in 1C-Bitrix – management system website. After you create a partially indexed in Yandex decided to improve that all pages hit in the indexing goes to a specialist to fix the mistake. Moved to a faster host. Then within a month the site completely dropped out of the index.
It is necessary to identify the error why Yandex threw the website of the search although the webmaster says pages are indexed.
These prices and time of performance is not changed because absolutely no idea how much this job.