Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoe noi so snippets" » "khoe moi so snippets", "khoa noi so snippets", "khoe doi so snippets", "khoe noi bo snippets", "khoe noi 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: (((("khoe noi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoe noi so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoe noi so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoe noi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.