Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong van cau snippets" » "cong van code snippets", "cong vang cau snippets", "cong san cau snippets", "song van cau snippets", "cong van dau snippets", "cong van hau snippets", "cong van chat 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 ("cong van cau 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 van cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong van cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong van cau snippets"))) or ("locating bug core snippets"))*.