In addition to standard Google, there are a number of other less visible but freely accessible databases which may of help to you in your research, such as:

Google Scholar – a web search engine which indexes the full text or metadata of scholarly literature and academic material, including peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts and technical reports from academic publishers, professional societies, online repositories, universities and other web sites. (Note: It cannot search the text of content which is held behind a paywall).

Google Books – a comprehensive index of full-text books which also includes some archived magazines, journals and newspapers. The advanced search option is a useful tool.

Google Patents – an index of patents and patent applications from across the globe.

Google Dataset search – helps researchers locate online data that are freely available for use from Government agencies, funders, scientific publishers, research institutions and individual researchers.

Google Arts and Culture – an online platform containing images and videos of artworks and artefacts, including designer fashion collections, from over 2000 museums and archives around the world. This site enables readers to take guided, virtual tours of museums and landmarks and to view paintings, sculptures and other works of art in close quarters.

Constitute – a database of nearly every active national constitution in the world in full text.