Perhaps you should try some spelling variations:
"dung vaeaeinh core snippets" » "dung vaaeaeinh core snippets", "dung viaeaeinh core snippets", "dung veaeaeinh core snippets"
"dung v code snippets" » "dung va code snippets", "dung vi code snippets", "dung ve 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: (((("dung vaeaeinh core snippets") or ("dung v code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vaeaeinh core snippets") OR ("dung v code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vaeaeinh core snippets ) or ( dung v code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vaeaeinh core snippets") or ("dung v code snippets"))) or ("locating bug code snippets"))*.