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