The document discusses 10 reasons why enterprise search is difficult: 1) Content is stored in many locations, 2) The volume of content is massive, 3) Content comes in many formats and types, 4) Language can be ambiguous, 5) Content organization varies, 6) Users have complex search goals, 7) There are multiple stakeholders with different needs, 8) Teams are multidisciplinary, 9) Metadata is inconsistent or missing, and 10) There are a lack of content authoring processes. It proposes solutions like taxonomy, search dictionaries, governance, and defined repositories to improve search and help users access needed information.