This is related to Autocomplete on Search implemented on
Test case as GardenAdmin:
Window: Inventory Move
Tab: Move Line
fill the product field with the letters "Aza"
Result without Autocomplete -> "Azalea Bush" product is found
Result with Autocomplete -> sometimes it finds the "Azalea Bush" product properly - but sometimes it opens the product info window with the search key filled with the value "Azalea Bush-Azalea Bush" - I think it depends on your previous search if is found or not