Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau ngu du snippets" » "nhat ngu du snippets", "han ngu du snippets", "khau ngu cu snippets", "khau ngu tu snippets", "khau ngu dung 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau ngu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau ngu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.