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