Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham va cao snippets" » "pham va cao snippets", "cham va cao snippets", "nam va cao snippets", "ham va cac snippets", "ham va co snippets", "ham va dao 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: (((("ham va 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: (((("ham va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.