Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu nhan va snippets" » "thu nhap va snippets", "thu nhat va snippets", "thu ngan va snippets", "thu nhan tai snippets", "thu nhan dan snippets", "thu nhan tao snippets", "thu nhan va 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: (((("thu nhan va snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu nhan va snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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