Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc do luan slippers" » "toc dao luan slippers", "toc do tuan slippers", "toc do xuan slippers", "toc co luan slippers", "hoc do luan slippers", "toc do luan slippery", "toc do luan 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: (((("toc do luan 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 do luan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc do luan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc do luan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.