Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan so doi snippets" » "quan su doi snippets", "quan doi doi snippets", "quan sat doi snippets", "quan so do snippets", "quan so di snippets", "quan so dai snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("quan so doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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