Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tri ban slippers" » "dung tai ban slippers", "dung tren ban slippers", "nhung tri ban slippers", "dung tri van slippers", "dung tri benh slippers", "dung tri ban slippery", "dung tri ban 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 tri ban 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 tri ban slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tri ban slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri ban slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.