Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap cong dan slippers" » "tap cong dan slippers", "dai cong dan slippers", "dam cong dan slippers", "dap cong san slippers", "dap cong tan slippers", "dap huong dan slippers", "dap cong dan slippery", "dap cong dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap cong 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 cong dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap cong dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap cong dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.