Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung vo cung snippets" » "dung vo code snippets", "dung von cung snippets", "dung vao cung snippets", "dung voi cung snippets", "dung so cung snippets", "dung ve cung snippets", "dung xo cung 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 vo cung snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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