Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan bai co snippets" » "phan ba co snippets", "phan dai co snippets", "phan bac co snippets", "phan bai con snippets", "phan mai co snippets", "phan bai ca 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 bai co 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 bai co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan bai co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan bai co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.