I used to be able to search for emails sent by "Jack Tan" by using the FROM toolbar in the mailbox
After iOS 7 update, it seems the From, All, Subject, and To toolbar has disappeared. It now looks like this when i attempt to search (red bar to indicate the toolbar is gone)
This has not allowed me to search for a specific sender in my Mail. When I attempt to search in my Mail for (e.g. "Jack Tan"), the results will be emails whose content contains "Jack Tan".
I want to be able to search for emails sent by "Jack Tan"