Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"su van cosh snippets" » "su han cosh snippets", "su van cong snippets", "su van canh snippets", "tu van cosh snippets", "vu van cosh 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: (((("su van cosh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su van cosh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su van cosh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su van cosh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.