Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hoa dem snippets" » "phan loai dem snippets", "khanh hoa dem snippets", "phan phoi dem snippets", "phan hoa dam snippets", "phan hoa kem snippets", "phan khoa diem 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: (((("phan hoa dem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan hoa dem snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan hoa dem snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hoa dem snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.