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