Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu da du snippets" » "lieu dao du snippets", "lieu dai du snippets", "lieu dia du snippets", "lieu day du snippets", "lieu va du 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 da du 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 da du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu da du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu da du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.