Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat nuoc den snippets" » "dat nuoc dan snippets", "dat duoc dien snippets", "dat nuoc tren snippets", "data nuoc den 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: (((("dat nuoc 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: (((("dat nuoc den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat nuoc den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat nuoc den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.