Perhaps you should try some spelling variations:
"ncchung cau code snippets" » "nhung cau code snippets", "ncchung cau cong snippets", "ncchung cau de snippets", "ncchung cfd code snippets", "ncchung cau code slippers"
"chung v code snippets" » "chung vi code snippets", "chung ve code snippets", "chuong v code snippets", "chung v 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: "((((\"ncchung cau code snippets\") OR (\"chung v code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( ncchung cau code snippets ) OR ( chung v code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ncchung cau code snippets") OR ("chung v code snippets"))) OR ("locating bug code snippets"))*.