Perhaps you should try some spelling variations:
"trinh van len snippets" » "trinh han len snippets", "trinh quan len snippets", "trinh toan len snippets", "trinh van lien snippets", "trinh van le snippets", "trinh van den snippets", "trinh van len slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core 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: "((((\"trinh van len snippets\") OR (\"dung bug code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( trinh van len snippets ) OR ( dung bug code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh van len snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets"))*.