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"
"dong tin code snippets" » "thong tin code snippets", "luong tin code snippets", "dong kinh code snippets", "dong tin co snippets", "dong tin 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung vat code snippets\") OR (\"dong tin code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung vat code snippets ) OR ( dong tin code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung vat code snippets") OR ("dong tin code snippets"))) OR ("locating bug code snippets"))*.