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