Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"duong van code snippets" » "duong va code snippets", "luong va code snippets", "dang van code snippets", "duong van de snippets", "duong van hoe snippets", "duong van cong snippets", "duong van code slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"

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 (\"duong van code snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using c code snippets ) OR ( duong van code snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") OR ("duong van code snippets"))) OR ("locating bugs code snippets"))*.