Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang java java snippets" » "dang va java snippets"
"cong dan thin snippets" » "cong san thin snippets", "cong tan thin snippets", "huong dan thin snippets", "cong danh thin snippets", "cong dan thi snippets", "cong dan than snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang java java snippets") or ("cong dan thin snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("cong dan thin snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( cong dan thin snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("cong dan thin snippets"))) or ("locating bug core snippets"))*.