Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap cao dan slippers" » "dam cao dan slippers", "dao cao dan slippers", "dap cao dang slippers", "dap cao danh slippers", "dap cac dan slippers", "dap cao dan slippery", "dap cao dan grippers"
"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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap cao dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap cao dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap cao dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap cao dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.