Perhaps you should try some spelling variations:
"python using data grippers" » "python using java grippers", "python using sat grippers", "python missing data grippers", "python using data slippers"
"php cac dan slippery" » "phap cac dan slippery", "pha cac dan slippery", "phap cach dan slippery", "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 slippery") OR ("python using data grippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( php cac dan slippery ) or ( python using data grippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("php cac dan slippery") or ("python using data grippers"))) or ("locating bug code snippets"))*.