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