Perhaps you should try some spelling variations:
"hoang van cau snippets" » "hang va cau snippets", "hoang van dau snippets", "hoang van hau snippets", "hoang van chat snippets"
"dung dataea code snippets" » "dung dataea core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

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

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