Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung cu hon snippets" » "nhung cau hon snippets", "nhung chu hon snippets", "chung cu hon snippets", "nhung cua hon snippets", "nhung ca hon snippets", "nhung tu hon 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 cu 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 cu hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cu hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.