Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi van den snippets" » "phi van code snippets", "phi san den snippets", "thi van den snippets", "phi va den snippets", "phi van de snippets", "phi van der snippets", "phi ban den 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: (((("phi van den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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