Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu mo cho snippets" » "khu do cho snippets", "khi mo cho snippets", "khau mot cho snippets", "khu mo chon snippets", "khu moi cho snippets", "khu mo ho 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: (((("khu mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.