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"
"dung le hoc snippets" » "dung len hoc snippets", "dung he hoc snippets", "dung de hoc snippets", "dung li hoc snippets", "dung ly hoc snippets", "dung le hoi snippets"

Try widening your search to All Fields.

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