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