Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc san thu slippers" » "toc san thuc slippers", "toc van thu slippers", "toc san phu slippers", "toc san thu slippery", "toc san thu 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 san thu 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 san thu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc san thu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc san thu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.