Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van cho phan slippers" » "van co phan slippers", "van hoc phan slippers", "van hoa phan slippers", "van chi phan slippers", "san cho phan slippers", "van chat phan slippers", "van cho phan slippery", "van cho phan 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 cho phan 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 cho phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van cho phan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cho phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.