Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"dong lua doi snippets" » "dong luan doi snippets", "dong luc doi snippets", "dong cua doi snippets", "dong sua doi snippets", "dong quan doi 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: "((((\"dong lua doi snippets\") OR (\"dung using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dong lua doi snippets ) OR ( dung using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong lua doi snippets") OR ("dung using java snippets"))) OR ("locating bugs code snippets"))*.