Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung sinh va snippets" » "duong sinh va snippets", "dang sinh va snippets", "dung ninh va snippets", "dung sinh vat snippets", "dung tinh va snippets", "dung dinh van snippets", "dung sinh 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: (((("dung sinh 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: (((("dung sinh va snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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