Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"duc van ho snippets" » "duc va ho snippets", "duc tan ho snippets", "duc manh ho snippets", "duc van hoa snippets", "duc van hoc snippets", "duc van hoe snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("duc van ho snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc van ho snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
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