If search results are not what you expect you may need to reindex the list or library. To do this, follow these steps.
reindex on the lists where you are having problems. To do this, follow these steps:
- Open the SharePoint list
- On the ribbon bar, select Library
- Select Library Settings
- In General Settings, select Advanced Settings
- Scroll to the middle of the list and click the Reindex Document Library button
It can take from a few minutes to a few hours to reindex.