I think this can be closed in relation to case 137725 which describes
the same thing but is a little older. I wont close it personally and
leave that to your discretion but I will add notes to the earlier case.
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stringi desktop search stops accepting input when new results display
*** This bug is a duplicate of bug 137725 ***
https://bugs.launchpad.net/bugs/137725
** This bug has been marked a duplicate of bug 137725
textfield of strigiapplet loses focus
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stringi desktop search stops accepting input when new results display
https://bugs.launchpad.net/bugs/154409