Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc trien ha snippets" » "hoc tren ha snippets", "hoc tien ha snippets", "hoc truyen ha snippets", "hoc trien nha snippets", "hoc trien he snippets", "hoc trien va snippets", "hoc trien ha 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: (((("hoc trien ha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc trien ha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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