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