Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan cuong cac snippets" » "tan cuong code snippets", "tang cuong cac snippets", "van cuong cac snippets", "van chuong cac snippets", "tan luong cac snippets", "tan cong cac snippets", "tan trong cac 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: (((("tan cuong cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"tan cuong cac snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( tan cuong cac snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets ))*.