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