Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu nam da snippets" » "lieu lam da snippets", "lieu nano da snippets", "lieu tham da snippets", "lieu nam dan snippets", "lieu nam a snippets", "lieu nam va snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("lieu nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu nam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu nam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.