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