Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cu phap slippers" » "dung cua phap slippers", "dung co phap slippers", "dung cho phap slippers", "dung tu phap slippers", "dung ngu phap slippers", "dung cu phap slippery", "dung cu phap grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung cu phap slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cu phap slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cu phap slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cu phap slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.