Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"cong san thu snippets" » "cong tac thu snippets", "cong san thuc snippets", "cong van thu snippets", "cong san phu 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: "((((\"dung java java slippers\") OR (\"cong san thu snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java slippers ) OR ( cong san thu snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java slippers") OR ("cong san thu snippets"))) OR ("locating bugs code snippets"))*.