Perhaps you should try some spelling variations:
"dung vat code snippets" » "dung va code snippets", "dong vat code snippets", "dung dat code snippets", "dung rate code snippets", "dung vat co snippets", "dung vat de snippets", "dung vat code slippers"
"phan mem code snippets" » "phan mem corel snippets", "phan mem cong snippets", "phan lbm code snippets", "phan mem code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vat code snippets") OR ("phan mem code snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung vat code snippets ) or ( phan mem code snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung vat code snippets") or ("phan mem code snippets"))) or ("locating bug code snippets"))*.