Perhaps you should try some spelling variations:
"dang ung java snippets" » "dang hung java snippets", "dang dung java snippets", "dang tung java snippets", "dang using java snippets", "dang ngu java snippets", "dang ung va snippets", "dang ung java slippers"
"dong san code snippets" » "cong san code snippets", "dong bang code snippets", "dong von code snippets", "dong san co snippets", "dong san cong snippets", "dong san 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: (((("dang ung java snippets") or ("dong san code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang ung java snippets") OR ("dong san code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang ung java snippets ) or ( dong san code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang ung java snippets") or ("dong san code snippets"))) or ("locating bug code snippets"))*.