Perhaps you should try some spelling variations:
"hoang dung cac snippets" » "hoang tung cac snippets", "hoang vuong cac snippets", "thong dung cac snippets", "hoang luong cac snippets", "hoang dung cho snippets", "hoang dung tai snippets"
"hoang tran cac snippets" » "hoang tuan cac snippets", "hoang thanh cac snippets", "hoang van cac snippets", "hoang tranh cac snippets", "hoang tran chau snippets", "hoang tran mach 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoang dung cac snippets") or ("hoang tran cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang dung cac snippets") OR ("hoang tran cac snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( hoang dung cac snippets ) or ( hoang tran cac snippets ))) or ( locating bug code snippets ))*.