Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich van du snippets" » "tich van du snippets", "lich va du snippets", "lich can du snippets", "lich van duy snippets", "lich van dau snippets", "lich van de 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: (((("lich van 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: (((("lich van du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich van du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich van du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.