Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang hai java slippers" » "hoang hai java slippers", "hang tai java slippers", "thanh hai java slippers", "hang hai va slippers", "hang hai java slippery", "hang hai 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: (((("hang hai 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: (((("hang hai java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang hai java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang hai java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.