Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tac ha hung snippets" » "tac hai hung snippets", "tac ham hung snippets", "tac hao hung snippets", "bac ha hung snippets", "tac da hung snippets", "tac xa hung snippets", "tac ha hung 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: (((("tac ha hung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac ha hung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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