Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan nuoc so snippets" » "dang nuoc so snippets", "dat nuoc so snippets", "dan quoc so snippets", "dan nuoc o snippets", "dan nuoc xo snippets", "dan nuoc ao 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: (((("dan nuoc so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan nuoc so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan nuoc so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan nuoc so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.