Perhaps you should try some spelling variations:
"hoang dung cac snippets" » "hoang vuong cac snippets", "thong dung cac snippets", "quang dung cac snippets", "hoang luong cac snippets", "hoang dung cho snippets", "hoang dung tai snippets"
"hoang tung cac snippets" » "hoang vuong cac snippets", "hoang trong cac snippets", "hoang tuan cac snippets", "hoang vung cac snippets", "hoang cung cac snippets", "hoang tong cac snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang dung cac snippets") OR ("hoang tung cac snippets"))) OR ("locating bug code snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"hoang dung cac snippets\") OR (\"hoang tung cac snippets\"))) or (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( hoang dung cac snippets ) OR ( hoang tung cac snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoang dung cac snippets") OR ("hoang tung cac snippets"))) or ("locating bug code snippets"))*.