Perhaps you should try some spelling variations:
"trong trong code snippets" » "trong truong code snippets", "truong trong code snippets", "thong trong code snippets", "trong trong cong snippets", "trong trong co snippets", "trong trong che snippets", "trong trong code slippers"
"dung va code snippets" » "dung va 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 va code snippets\") OR (\"trong trong code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung va code snippets ) OR ( trong trong code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung va code snippets") OR ("trong trong code snippets"))) OR ("locating bug code snippets"))*.