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