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