Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau ngu doc snippets" » "nhat ngu doc snippets", "han ngu doc snippets", "khau ngu hoc snippets", "khau ngo doc snippets", "khau ngu coc 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: (((("khau ngu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khau ngu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau ngu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau ngu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.