Perhaps you should try some spelling variations:
"nhung tri code snippets" » "nhung bai code snippets", "nhung bi code snippets", "nhung gi code snippets", "nhung tri co snippets", "nhung tri cong snippets", "nhung tri code slippers"
"dong cac code snippets" » "duong cac code snippets", "dong bac code snippets", "dung cac code snippets", "dong cac cong snippets", "dong cac co snippets", "dong cac che snippets", "dong cac 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: "((((\"nhung tri code snippets\") OR (\"dong cac code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( nhung tri code snippets ) OR ( dong cac code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("nhung tri code snippets") OR ("dong cac code snippets"))) OR ("locating bug code snippets"))*.