Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cua do snippets" » "cong cua code snippets", "cong cu do snippets", "dong cua do snippets", "huong cua do snippets", "cong cua dao snippets", "cong cua bo snippets", "cong cua co snippets"
"data using java snippets" » "data using data snippets"

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

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