Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"manh hai hap snippets" » "lanh hai hap snippets", "minh hai hap snippets", "thanh hai hap snippets", "manh hai thap snippets", "manh hai hai snippets", "manh hai hau snippets", "manh hai hap 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: (((("manh hai hap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh hai hap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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