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I have imported posts from RSS Feed and then on word press default search if i search 

Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum – Lorem Ipsum Lorem Ipsum Lorem Ipsum

It shows me 0 result.

But on changing special character – to - my keyboard minus sign

it will work fine and shows desired result

Please anyone help me out there for that issue.

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By copying and pasting each dash into a Unicode lookup (linked below), you can see the two characters are different.

Your first string contains an En Dash, which is a different character value than the second string, which is a Hyphen Minus.

When performing a search, WordPress is searching for the Em Dash value in your database, which may not exist. I would double-check the RSS Feed you imported to see which character appears in the content.

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    Thanks for the reply @Tom Yes that's what i also find out As, the Search query will work on post title and content so it is possible to change utf8mb4_unicode_ci to utf8_general_ci , As, i will updated it gives me following error Incorrect string value: '\xF0\x9F\xA4\xAC' for column 'post_title' at row 593 Please have a look if the following changes will work.
    – Prits
    Nov 27, 2019 at 12:07
  • Is there any way to allow all special character to search would work ?
    – Prits
    Dec 24, 2019 at 6:49

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