Resources collected are primarily on China, Hong Kong, and Taiwan, though some are on United States. Resources are basically in Chinese. While search engines may cover Internet resources of any kind, some of the search engines in these two lists only cover resources of particular topics. Some support more, some support fewer. Of the four examples here, only AltaVista exhibits all the above searching capabilities.
Some search engines accept natural English language.
Users do not need to know any searching techniques, but simply enter the kind of English spoken or written in daily life when searching Internet resources via this kind of search engines. However, the search may be less accurate. All Academic is an all-discipline academic index to free publications on the Internet. It hosts or provides links to academic e-journals, working papers, convention proceedings, as well as other scholarly works. Edinburgh Engineering Virtual Library EEVL, or Edinburgh Engineering Virtual Library, searches the full text of over one hundred engineering e-journals, which are listed in the EEVL catalogue of engineering resources.