Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung ca hon snippets" » "nhung cau hon snippets", "nhung cam hon snippets", "nhung cay hon snippets", "nhung cao hon snippets", "nhung cua hon snippets", "nhung cay hong 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: (((("nhung ca hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung ca hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung ca hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung ca hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.