> Will people in other countries be able to search for my books in search engines in those countries?
> This does not happen automatically ... In order for your book to be listed in other countries you should contact the respective ISBN Agency and ask them for details of how to be entered into their national catalogue for books in circulation (books in print). Sometimes you will have to obtain a distributor from that country or have an address in that country before this is possible. In some circumstances in order to be listed, the book must be in the language of that country. As well as catalogues of books in circulation, you may also want to ensure that you are listed by internet retailers... . Again, you will need to contact each of these organisations directly (including each separate international branch) with details of your book.
https://www.isbn-international.org/content/isbn-users-manual... ISBN_FAQs_to_7ed_Manual_Absolutely_final.docx
> Will people in other countries be able to search for my books in search engines in those countries?
> This does not happen automatically ... In order for your book to be listed in other countries you should contact the respective ISBN Agency and ask them for details of how to be entered into their national catalogue for books in circulation (books in print). Sometimes you will have to obtain a distributor from that country or have an address in that country before this is possible. In some circumstances in order to be listed, the book must be in the language of that country. As well as catalogues of books in circulation, you may also want to ensure that you are listed by internet retailers... . Again, you will need to contact each of these organisations directly (including each separate international branch) with details of your book.