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