metasearching in a sentence

1. The so-called metasearching site is free.
2. Metasearching also gives the illusion that there is more coverage of the topic queried, particularly if the user is searching for popular or commonplace information.
3. Metasearching is also a useful approach if the purpose of the user s search is to get an overview of the topic or to get quick answers.
4. It's difficult to find metasearching in a sentence.