Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung java java grippers" » "dung va java grippers", "dung java java slippers"
"tran tan thuc snippets" » "tran tuan thuc snippets", "tran van thuc snippets", "tran thanh thuc snippets", "tran toan thuc snippets", "tran dan thuc snippets", "tran tan thuc slippers"

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 grippers\") OR (\"tran tan thuc snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java grippers ) OR ( tran tan thuc snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java grippers") OR ("tran tan thuc snippets"))) OR ("locating bugs code snippets"))*.