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