Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van den lang slippers" » "van den nang slippers", "van den bang slippers", "van ten lang slippers", "van de lang slippers", "van der lang slippers", "ban den lang slippers", "van den lang slippery", "van den lang 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 den lang 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 den lang slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van den lang slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van den lang slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.