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"
"hoi hoc can snippets" » "hoa hoc can snippets", "khoa hoc can snippets", "hoi chuc can snippets", "hoi hoc dan snippets", "hoi hoc cao snippets", "hoi hoc cac snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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