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