Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh nhan cua snippets" » "trinh nhan code snippets", "trinh han cua snippets", "trinh phan cua snippets", "trinh nha cua snippets", "trinh nhat cua snippets", "trinh nhan luc snippets", "trinh nhan su 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 ("trinh nhan cua snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh nhan cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh nhan cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh nhan cua snippets"))) or ("locating bug core snippets"))*.