Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong my von snippets" » "chong my von snippets", "cong may von snippets", "cong ty von snippets", "cong ly von snippets", "cong my vuong 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: (((("cong my von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong my von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong my von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong my von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.