Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luan danh cua snippets" » "luan danh code snippets", "luan thanh cua snippets", "luan van cua snippets", "luan nang cua snippets", "luan doanh cua snippets", "luan manh cua snippets", "luan dinh cua 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 ("luan danh 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 ("luan danh cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( luan danh cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("luan danh cua snippets"))) or ("locating bug core snippets"))*.