Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc ngu duc snippets" » "hoc nga duc snippets", "hoc nguoi duc snippets", "hoc nghe duc snippets", "hoc ngu tuc snippets", "hoc ngo duc snippets", "hoc ngu du snippets", "hoc ngu duc 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 ngu duc 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 ngu duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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