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