Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van dat luan slippers" » "van dan luan slippers", "van dau luan slippers", "van dat quang slippers", "van dao luan slippers", "dan dat luan slippers", "van dat luan slippery", "van 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: (((("van 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: (((("van dat luan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van dat luan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dat luan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.