Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang ra chi snippets" » "nang ma chi snippets", "lang ra chi snippets", "nang ro chi snippets", "nang a chi snippets", "nang ca chi snippets", "nang la chi 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: (((("nang ra chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang ra chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang ra chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang ra chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.