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