Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan nghe co snippets" » "nganh nghe co snippets", "van nghe co snippets", "nang nghe co snippets", "nhan nghe che snippets", "nhan nghe hoa snippets", "nhan nghe 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: (((("nhan nghe 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: (((("nhan nghe co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan nghe co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan nghe co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.