Currently, the number of resources available on the Internet is significantly increasing. It then has a large amount of
information, but without mastering the content. In this vast data warehouse, the research of modern information search
engines does not allow users to get results for their queries that exactly meet their needs. This is largely due to indexing
methods (keywords, thesaurus). The result is that the network user spends most of their time exploring a large number of
web pages, looking for what they need, because the network does not provide services in this direction. The article presents
the technology of creating a bibliographic information search system.We also consider the issues of choosing the
environment for creating an information search system and establishing advanced information search modes (standard,
advanced, professional, dictionary, etc.).