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