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