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