Perhaps you should try some spelling variations:
"trinh trinh van snippets" » "trinh tinh van snippets", "trinh kinh van snippets", "trinh tin van snippets", "trinh trinh han snippets", "trinh trinh quan snippets", "trinh trinh toan snippets", "trinh trinh van slippers"
"dung ung code snippets" » "dung trung code snippets", "dung quang code snippets", "dung chung code snippets", "dung ung co snippets", "dung ung 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: "((((\"trinh trinh van snippets\") OR (\"dung ung code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( trinh trinh van snippets ) OR ( dung ung code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh trinh van snippets") OR ("dung ung code snippets"))) OR ("locating bug code snippets"))*.