Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dong cua data snippets" » "dung cua data snippets", "cong cua data snippets", "huong cua data snippets", "dong cua dang snippets", "dong cua dan snippets", "dong a 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: (((("dong cua data snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dong cua data snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dong cua data snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cua data snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.