Perhaps you should try some spelling variations:
"danh cau chap snippets" » "danh cau code snippets", "danh dau chap snippets", "danh ca chap snippets", "danh hau chap snippets", "danh cau cham snippets", "danh cau chan snippets", "danh cau phap snippets"
"locating bug core snippets" » "locating bug code 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: (((("danh cau chap snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cau chap snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh cau chap snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cau chap snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.