Describes the cause and action for error messages.
Error Message(English)：
search not organization
Search within a user's or ...
https://help.github.com/en/articles/searching-issues-and-pull-requests#search-within-a-users-or-orga・・・
Search by team mention
https://help.github.com/en/articles/searching-issues-and-pull-requests#search-by-team-mention
Search by project board
https://help.github.com/en/articles/searching-issues-and-pull-requests#search-by-project-board
Understanding the search syntax - GitHub Help
https://help.github.com/en/articles/understanding-the-search-syntax
Searching code - GitHub Help
https://help.github.com/en/articles/searching-code
Considerations for code ...
https://help.github.com/en/articles/searching-code#considerations-for-code-search
Search within a user's or ...
https://help.github.com/en/articles/searching-code#search-within-a-users-or-organizations-repositori・・・
Search by location
https://help.github.com/en/articles/searching-code#search-by-file-location
Searching for repositories - GitHub Help
https://help.github.com/en/articles/searching-for-repositories