Perhaps you should try some spelling variations:
"dung tren java snippets" » "dung trong java snippets", "dung trung java snippets", "dung trinh java snippets", "dung tren java slippers"
"dong cfd code snippets" » "dong co code snippets", "dong cua code snippets", "dong cho code snippets", "dong cfd code slippers", "dong cfd core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets", "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 tren java snippets") or ("dong cfd code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tren java snippets") OR ("dong cfd code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tren java snippets ) or ( dong cfd code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tren java snippets") or ("dong cfd code snippets"))) or ("locating bug code snippets"))*.