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