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