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"
"hen hoc do snippets" » "hen ho do snippets", "den hoc do snippets", "khien hoc do snippets", "hen hoc doi snippets", "hen hoc co snippets", "hen hoc bo snippets"

Try widening your search to All Fields.

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