Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"ti van dung snippets" » "ti van dong snippets", "ti xay dung snippets", "ti tin dung snippets", "thi van dung snippets", "tri van dung snippets", "ta van dung snippets"
"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: (((("python using java slippers") OR ("ti van dung snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( ti van dung snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("ti van dung snippets"))) or ("locating bug code snippets"))*.