Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"son dam gian snippets" » "son dan gian snippets", "son don gian snippets", "son nam giao snippets", "san dam gian snippets", "mon dam gian snippets", "son da gian snippets", "son dam gian 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: (((("son dam gian snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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