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