
Those search results provided by search engine are influenced by those and they help Google deliver what they think there are more relevant and tailored results to individual users.
For example, if two or three people located in different cities or countries search for the same keyword in Google they may see different search results. Google aims to provide them those customized results by considering the users' geographical location and presenting content that is more relevant to their countries and regions.
If you frequently search for specific topics or visit certain websites which Google indexes and monitors the search engine tries to personalize your search results to accondly with your preferences and your previous interactions. It also tries to present the objective and relevant information as good as they can, Google prioritizea providing accurate and useful results to users.