Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham cua con snippets" » "pham cua con snippets", "hai cua con snippets", "nam cua con snippets", "ham cua cong snippets", "ham cua co snippets", "ham cua can 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: (((("ham cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham cua con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham cua con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.