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