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