Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung so voi snippets" » "dung so code snippets", "dung co voi snippets", "dung mo voi snippets", "dung cho voi snippets", "dung som voi snippets", "dung do voi snippets", "dung ho voi 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 ("dung so voi snippets"))) or ("locating bug core snippets"))~.
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