Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich he don snippets" » "tich ho don snippets", "trinh he don snippets", "tich hop don snippets", "tich he dong snippets", "tich he dan snippets", "tich ke don 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: (((("tich he don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich he don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich he don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich he don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.