Perhaps you should try some spelling variations:
"dung dat lanh snippets" » "dung va lanh snippets", "dung tai lanh snippets", "dung dat anh snippets", "dung dau lanh snippets", "dung hat lanh snippets", "dung dat lanh slippers"
"dung ung java snippets" » "dung trung java snippets", "dung quang java snippets", "dung chung java snippets", "dung using java snippets", "dung ngu java snippets", "dung ung va snippets", "dung ung java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 dat lanh snippets") or ("dung ung java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dat lanh snippets") OR ("dung ung java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dat lanh snippets ) or ( dung ung java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dat lanh snippets") or ("dung ung java snippets"))) or ("locating bug code snippets"))*.