Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dung vi robot slippers" » "dung voi robot slippers", "dung _ robot slippers", "dung a robot slippers", "dung va robot slippers", "dung viet robot slippers", "dung tai robot slippers", "dung vi robot slippery", "dung vi robot grippers"

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 vi robot slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vi robot slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung vi robot slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vi robot slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.