Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khang voi co snippets" » "khang voi con snippets", "khang moi co snippets", "khang hoi co snippets", "hang voi co snippets", "khong voi co snippets", "thang voi co 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: (((("khang voi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang voi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khang voi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khang voi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.