Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham cua noi snippets" » "pham cua noi snippets", "hai cua noi snippets", "nam cua noi snippets", "ham chua noi snippets", "ham cua hoi snippets", "ham cua moi 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 noi 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 noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham cua noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham cua noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.