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