Perhaps you should try some spelling variations:
"nhung tra trinh snippets" » "nhung trai trinh snippets", "nhung tram trinh snippets", "nhung tran trinh snippets", "nhung qua trinh snippets", "nhung tra trinh slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug core snippets", "dung bug code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug 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: "((((\"dung bug code snippets\") OR (\"nhung tra trinh snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung bug code snippets ) OR ( nhung tra trinh snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung bug code snippets") OR ("nhung tra trinh snippets"))) OR ("locating bug code snippets"))*.