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