Perhaps you should try some spelling variations:
"python using data slippery" » "python using java slippery", "python using sat slippery", "python missing data slippery", "python using data slippers"
"php cac dan grippers" » "phap cac dan grippers", "pha cac dan grippers", "phap cach dan grippers", "php cac dan slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

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: (((("php cac dan grippers") OR ("python using data slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( php cac dan grippers ) or ( python using data slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("php cac dan grippers") or ("python using data slippery"))) or ("locating bug code snippets"))*.