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