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