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