Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao va den snippets" » "nano va den snippets", "tao va den snippets", "cao va den snippets", "nao va dien snippets", "nao van den snippets", "nao va de 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: (((("nao va den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao va den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao va den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao va den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.