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