Perhaps you should try some spelling variations:
"dung ppanh core snippets" » "dung phan core snippets", "dung doanh core snippets", "dung danh core snippets"
"hanh vi code snippets" » "thanh vi code snippets", "anh vi code snippets", "hinh vi code snippets"
"locating bug code 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: (((("hanh vi code snippets") or ("dung ppanh core snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh vi code snippets") OR ("dung ppanh core snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh vi code snippets ) or ( dung ppanh core snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh vi code snippets") or ("dung ppanh core snippets"))) or ("locating bug code snippets"))*.