Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi cong mot snippets" » "thi cong mot snippets", "phan cong mot snippets", "pham cong mot snippets", "phi cong dot snippets", "phi trong mot snippets", "phi cong mong 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: (((("phi cong mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi cong mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi cong mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi cong mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.