Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luc quan sat snippets" » "luc luan sat snippets", "tac quan sat snippets", "qua quan sat snippets", "luc quan ha snippets", "luc quan tai snippets", "luc luan san snippets", "luc quan sat 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: (((("luc quan sat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc quan sat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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