Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam van data slippers" » "nam van dat slippers", "nam van dao slippers", "nam van dau slippers", "nam dan data slippers", "nam va data slippers", "pham van data slippers", "nam van data slippery", "nam van data grippers"
"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: (((("nam van data slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam van data slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam van data slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam van data slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.