Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu tu dot snippets" » "lieu tai dot snippets", "tieu thu dot snippets", "kieu thu dot snippets", "lieu tu do snippets", "lieu tu dat snippets", "lieu tu doi 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 tu dot 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 tu dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu tu dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu tu dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.