Perhaps you should try some spelling variations:
"dung thang java snippets" » "hung thang java snippets", "cung thang java snippets", "dung thuong java snippets", "dung thang va snippets", "dung think java snippets", "dung thang java slippers"
"cong co code snippets" » "dong co code snippets", "cong cu code snippets", "cong so code snippets", "cong cfd code snippets", "cong co code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 thang java snippets") or ("cong co code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thang java snippets") OR ("cong co code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thang java snippets ) or ( cong co code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thang java snippets") or ("cong co code snippets"))) or ("locating bug code snippets"))*.