Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc pham lan slippers" » "tac pham lan slippers", "toc cham lan slippers", "toi pham lan slippers", "toc pham luan slippers", "toc pham van slippers", "toc phan lan slippers", "toc pham lan slippery", "toc pham lan 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: (((("toc pham lan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc pham lan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc pham lan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc pham lan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.