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