Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sam va cao snippets" » "sam va code snippets", "nam va cao snippets", "dam va cao snippets", "am va cao snippets", "sam va cac snippets", "sam va co snippets", "sam va dao snippets"
"python using java snippets" » "python using data 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: (((("sam va cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam va cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sam va cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sam va cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.