Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"son hoc sinh snippets" » "mon hoc sinh snippets", "so hoc sinh snippets", "son hoa sinh snippets", "son hoc sinh slippers", "son hoc dinh snippets", "son hoc minh snippets", "son hoc kinh snippets"
"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: (((("python using java snippets") or ("son hoc sinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("son hoc sinh snippets"))) OR ("locating bug code snippets")).
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