Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bat can nhat snippets" » "bat cap nhat snippets", "bat can nha snippets", "bat lan nhat snippets", "ban can nhat snippets", "bat can nhat slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("bat can nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat can nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat can nhat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat can nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.