Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van cuu voi snippets" » "van cuu code snippets", "van cau voi snippets", "van chu voi snippets", "van cu voi snippets", "van cuu hoi snippets", "van cuu noi snippets", "van cuu vai snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("van cuu voi snippets"))) or ("locating bug core snippets"))~.
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