Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ban ke snippets" » "duc tan ke snippets", "duc van ke snippets", "dua ban ke snippets", "duc ban kem snippets", "duc ban ve snippets", "duc ban le 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: (((("duc ban ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc ban ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ban ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ban ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.