Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dan thi slippers" » "dung dat thi slippers", "dung san thi slippers", "tung dan thi slippers", "dung dang thi slippers", "dung tran thi slippers", "dung dinh thi slippers", "dung dan thi slippery", "dung dan thi 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 dan thi 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 dan thi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan thi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan thi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.