Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con hop cho snippets" » "cong hop cho snippets", "hon hop cho snippets", "co hop cho snippets", "con hop chi snippets", "con hoc cho snippets", "con hoi cho 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: (((("con hop cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con hop cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con hop cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con hop cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.