Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha ke ton snippets" » "kha ke toan snippets", "kha de ton snippets", "kha ke don snippets", "khoa ke ton snippets", "khac ke ton snippets", "khai ke ton 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: (((("kha ke ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha ke ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha ke ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha ke ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.