Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"day cua luan snippets" » "day cua luat snippets", "day cu luan snippets", "day cua quan snippets", "dai cua luan snippets", "day cua luan 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: (((("day cua luan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day cua luan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day cua luan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day cua luan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.