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