Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang va trac slippers" » "dang van trac slippers", "dang vat trac slippers", "hang va trac slippers", "dang va tac slippers", "dang tap trac slippers", "dang va trac slippery", "dang va trac 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: (((("dang va trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang va trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang va trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang va trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.