Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van do dan slippers" » "van dao dan slippers", "van de dan slippers", "van du dan slippers", "van do danh slippers", "van do dang slippers", "van do dan slippery", "van do dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 dan 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 dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van do dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van do dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.