Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vuc hoa lan snippets" » "duc hoa lan snippets", "vuc ha lan snippets", "cuc hoa lan snippets", "vuc hoa lang snippets", "vuc hoa luan snippets", "vuc hoa lanh snippets", "vuc hoa lan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using java snippets") or ("vuc hoa lan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("vuc hoa lan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( vuc hoa lan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("vuc hoa lan snippets"))) or ("locating bug code snippets"))*.