Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh dan he snippets" » "trinh dan code snippets", "trinh han he snippets", "trinh van he snippets", "trinh san he snippets", "trinh dan ve snippets", "trinh dan de snippets", "trinh dan ke snippets"
"dung java java snippets" » "dung va java snippets"

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 dan he 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 dan he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh dan he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh dan he snippets"))) or ("locating bug core snippets"))*.