1. A computer-implemented method for searching business objects data sources, the method comprising: receiving a search query including one or more query terms, each query term at least partially represents metadata associated with at least one business objects data source of a plurality of business objects data sources, each business objects data source stores a plurality of data items; identifying, for each query term, one or more business objects data sources that are each associated with metadata at least partially represented by a respective query term by searching a plurality of computer-searchable index documents, each of which references metadata associated with each of the plurality of business objects data sources; identifying, for each query term, metadata associated with the identified one or more business objects data sources by searching a plurality of computer-readable master tables, each of which stores metadata associated with each of the plurality of business objects data sources; searching one or more business objects data sources to identify data items stored in the searched one or more business objects data sources for data items that satisfy the identified metadata; and providing representations of the data items and identified metadata in response to receiving the search query.