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