1) The document discusses the author's frustration with the lack of precise and focused search results when searching online for scientific papers and content, despite entering specific search criteria.
2) The author believes search engines should provide search results that are more categorized and visible from the user's perspective, rather than just listing a huge quantity of results. The author proposes search results be displayed in automatically and user-defined categorized modules to facilitate finding relevant papers more efficiently.
3) The author experiences this issue both when searching general search engines like Google as well as Amazon, and believes more can be done to tailor search results based on the user's true interests and needs, rather than just previous searches or purchases.