Perhaps you should try some spelling variations:
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"
"dung mo va snippets" » "dung co va snippets", "dung cho va snippets", "dung von va snippets", "dung do va snippets", "dung me va snippets", "dung so va snippets", "dung mo va 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: "((((\"using c code snippets\") OR (\"dung mo va snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using c code snippets ) OR ( dung mo va snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") OR ("dung mo va snippets"))) OR ("locating bug code snippets"))*.