Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can han du snippets" » "can chan du snippets", "can ban du snippets", "van han du snippets", "can han dau snippets", "can van du snippets", "can han tu 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: (((("can han du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can han du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can han du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can han du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.