Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"than hoc tac snippets" » "toan hoc tac snippets", "thai hoc tac snippets", "than doc tac snippets", "than hoc tach snippets", "than hoc tap snippets", "than hoc cac snippets", "than hoc tac 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: (((("than hoc tac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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