Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc tao con snippets" » "toc tay con snippets", "toc dao con snippets", "toc ta con snippets", "toc cao cong snippets", "toc vao cong snippets", "toc tao dong snippets"
"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 tao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc tao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc tao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc tao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.