Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan he doc snippets" » "dan ve doc snippets", "dan de doc snippets", "dan ke doc snippets", "dan me doc snippets", "dan che duoc 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 he doc 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 he doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan he doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan he doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.