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"
"nhu cau dan snippets" » "nhu cau danh snippets", "nhu cac dan snippets", "nhu ca dan snippets", "nhu cau dan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using data slippery") OR ("nhu cau dan snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using data slippery ) or ( nhu cau dan snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using data slippery") or ("nhu cau dan snippets"))) or ("locating bug code snippets"))*.