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