Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van toan vu slippers" » "van tuan vu slippers", "van tan vu slippers", "van thanh vu slippers", "van toan va slippers", "van toan du slippers", "van tran vu slippers", "van toan vu slippery", "van toan vu 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van toan vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van toan vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van toan vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.