Perhaps you should try some spelling variations:
"dung java java slippery" » "dung va java slippery", "dung java java slippers"
"cong tan thu snippets" » "cong tac thu snippets", "cong san thu snippets", "cong thanh thu snippets", "cong tuan thu snippets", "cong tran thu snippets", "cong van thu snippets", "cong tan thu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 java java slippery") or ("cong tan thu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java slippery") OR ("cong tan thu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java slippery ) or ( cong tan thu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java slippery") or ("cong tan thu snippets"))) or ("locating bug code snippets"))*.