Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri cac treo snippets" » "tri cac tro snippets", "tri cau treo snippets", "tri cac trieu snippets", "tri mac treo snippets", "tai cac treo snippets", "tri dac treo snippets", "tri cac treo 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: (((("tri cac treo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri cac treo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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