Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van de ben slippers" » "van de bien slippers", "van dep ben slippers", "van do ben slippers", "van de ben slippery", "van de ben 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 de ben 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 de ben slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van de ben slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van de ben slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.