Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang cong cac snippets" » "hang cong code snippets", "dang cong cac snippets", "hang nong cac snippets", "thanh cong cac snippets", "hang cuong cac snippets", "hang cong tac snippets", "hang cong cau snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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

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