Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tang va trac slippers" » "trang va trac slippers", "tang van trac slippers", "thang va trac slippers", "tang va tac slippers", "tang tap trac slippers", "tang va trac slippery", "tang 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: (((("tang 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: (((("tang va trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang va trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang va trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.