Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cas nam co snippets" » "cai nam co snippets", "cas lam co snippets", "cas nam cao snippets", "cas nam bo snippets", "cas nam so 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: (((("cas nam co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cas nam co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cas nam co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cas nam co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.