Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoang dan va snippets" » "hoang dang va snippets", "hoang van va snippets", "hoang san va snippets", "hoang doan va snippets", "hoang dan ca snippets", "hoang ban va snippets", "hoang dan 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: (((("hoang dan 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: (((("hoang dan va snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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