Search API is not returning result when using wildcard (*) before the key words

Search API is not returning result when using wildcard (*) before the key words

Scenario: 1.

Using below query SharePoint Search API returning correct result

a. https://contoso.sharepoint.com/sites/testsite/_api/search/query?querytext=%27contentclass:STS_Site%20contentclass:STS_Web%20Title:tes*%20Path:https://contoso.sharepoint.com*%27&selectproperties=%27SiteId,Title,Path%27&rowlimit=5

Results: TestSite site is returning in the result

2. Using below query SharePoint Search API returning no results

a. https://contoso.sharepoint.com/sites/testsite/_api/search/query?querytext=%27contentclass:STS_Site%20contentclass:STS_Web%20Title:*tes*%20Path:https://contoso.sharepoint.com*%27&selectproperties=%27SiteId,Title,Path%27&rowlimit=5

Results: Returning no records

Previously Scenario 2 is returning the value but suddenly it’s stop returning results/records

Environment: M365 Site