Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"do doi hang snippets" » "do doi khang snippets", "do voi hang snippets", "do doi hanh snippets", "do dai hang snippets", "do moi hang snippets", "bo doi hang 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 ("do doi hang snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( do doi hang snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("do doi hang snippets"))) or ("locating bug code snippets"))*.