Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc con chi snippets" » "toc cong chi snippets", "toc co chi snippets", "hoc con chi snippets", "toc con chim snippets", "toc can chi 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 con chi 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 con chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc con chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc con chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.