Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"when hop cho snippets" » "hon hop cho snippets", "hen ho cho snippets", "lien hop cho snippets", "when hop chi snippets", "when hoc cho snippets", "when 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: (((("when 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: (((("when hop cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( when hop cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("when hop cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.