Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ngon cac su snippets" » "nguon cam su snippets", "chon cac su snippets", "ngu cac su snippets", "ngon cach su snippets", "ngon cac sau snippets", "ngon cac du snippets", "ngon cac su 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: (((("ngon cac su snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngon cac su snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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