Now Google no longer includes the word you're currently typing if it's not very likely that it's a complete word. If you type [android qualcomm qua], Google will only show the results for [android qualcomm]. When your query becomes [android qualcomm quad], Google no longer ignores the third word. Here's another example:
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If you actually want to find the results for a query and Google ignores the last word, you can always press Enter, click the Search button or click "Search instead for ...".