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