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