Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van tich van snippets" » "van dich van snippets", "va tich van snippets", "van tinh van snippets", "van tich va snippets", "van trinh van snippets", "van dinh van snippets", "van tich van 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: (((("van tich van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tich van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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