Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung dung san snippets" » "duong dung san snippets", "ung dung san snippets", "dung ung san snippets", "dung dong san snippets", "dung dung sai snippets", "dung dung luan snippets"
"locating bug core snippets" » "locating bug code snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java code snippets\") OR (\"dung dung san snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( dung dung san snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("dung dung san snippets"))) OR ("locating bug core snippets"))*.