Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan va do snippets" » "phan va code snippets", "phan van do snippets", "nhan va do snippets", "han va do snippets", "phan va dao snippets", "phan va doc snippets", "phan va co snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan va do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan va do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan va do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan va do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.