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