Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao va do snippets" » "nano va do snippets", "tao va do snippets", "cao va do snippets", "nao va dao snippets", "nao va doc snippets", "nao va co 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 do 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 do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao va do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao va do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.