Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phi doi tang snippets" » "phi do tang snippets", "phi doi mang snippets", "phi doi tan snippets", "phi loi tang snippets", "phu doi tang snippets", "khi doi tang snippets", "phi doi tang slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi doi tang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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