Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cho san hao snippets" » "cho can hao snippets", "ho san hao snippets", "cho sinh hao snippets", "cho van hao snippets", "cho pan hao snippets", "cho san bao snippets", "cho san hao 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: (((("cho san hao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho san hao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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