Perhaps you should try some spelling variations:
"dung quang dat snippets" » "dang quang dat snippets", "luong quang dat snippets", "dung luan dat snippets", "dung quang dai snippets", "dung quang dam snippets", "dung quang phat snippets", "dung quang dat slippers"
"dung vbug code snippets" » "dung vung code snippets", "dung vbug code slippers", "dung vbung code snippets", "dung vbugs code snippets"
"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 quang dat snippets\") OR (\"dung vbug code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung quang dat snippets ) OR ( dung vbug code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung quang dat snippets") OR ("dung vbug code snippets"))) OR ("locating bug code snippets"))*.