Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khang trinh co snippets" » "hanh trinh co snippets", "khang sinh co snippets", "kha trinh co snippets", "khang trinh code snippets", "khang trinh do snippets", "khang trinh cong snippets", "khang trinh hoa snippets"
"dung java java snippets" » "dung va java 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: (((("dung java java snippets") or ("khang trinh co snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("khang trinh co snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( khang trinh co snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("khang trinh co snippets"))) or ("locating bug core snippets"))*.