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