Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc xinh chu snippets" » "toc kinh chu snippets", "tuoc xanh chu snippets", "hoc sinh chu snippets", "toc binh chu snippets", "toc minh chau snippets", "toc dinh chuc 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 xinh chu 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 xinh chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc xinh chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc xinh chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.