Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hoa ca snippets" » "phan loai ca snippets", "khanh hoa ca snippets", "phan phoi ca snippets", "phan hoa cua snippets", "phan hoa cac snippets", "phan hoa 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: (((("phan hoa ca 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 ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan hoa ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hoa ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.