Perhaps you should try some spelling variations:
"luong cac code snippets" » "luong cuoc code snippets", "luong va code snippets", "luong tai code snippets", "luong cac cong snippets", "luong cac co snippets", "luong cac che snippets", "luong cac code slippers"
"tran van code snippets" » "luan van code snippets", "tran van de snippets", "tran van hoe snippets", "tran van cong snippets", "tran van 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: "((((\"tran van code snippets\") OR (\"luong cac code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tran van code snippets ) OR ( luong cac code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran van code snippets") OR ("luong cac code snippets"))) OR ("locating bug code snippets"))*.