Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ban thong va snippets" » "ban trong va snippets", "ban tuong va snippets", "ban tong va snippets", "ban thong cua snippets", "ban truong va snippets", "ban thong qua snippets", "ban thong 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: (((("ban thong 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: (((("ban thong va snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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