Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan co don snippets" » "phan co code snippets", "phan bo don snippets", "phan cong don snippets", "phan cac don snippets", "phan co dong snippets", "phan co dan snippets", "phan co dot snippets"
"python using java snippets" » "python using data 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 co don 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 co don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan co don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan co don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.