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