Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung do he snippets" » "dung do code snippets", "dung doi he snippets", "dung co he snippets", "dung de he snippets", "dung do ke snippets", "dung do le snippets", "dung do ve 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: (((("dung do he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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