Perhaps you should try some spelling variations:
"dung dinh doat snippets" » "dang dinh doat snippets", "dung dich doat snippets", "dung ninh doat snippets", "dung dinh dat snippets", "dung dinh hoat snippets", "dung dinh chat snippets"
"dung java java snippets" » "dung va java snippets"
"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 dinh doat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dinh doat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dinh doat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dinh doat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.