Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dngu java java slippers" » "ngu java java slippers", "dngu java java slippery", "dngu java java grippers"
"dung vinh java snippets" » "dang vinh java snippets", "dung ninh java snippets", "quang vinh java snippets", "dung trinh java 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: (((("dngu java java slippers") or ("dung vinh java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dngu java java slippers") OR ("dung vinh java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dngu java java slippers ) or ( dung vinh java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dngu java java slippers") or ("dung vinh java snippets"))) or ("locating bugs code snippets"))*.