Perhaps you should try some spelling variations:
"dong luc code snippets" » "nang luc code snippets", "dong lbm code snippets", "dong luc cong snippets", "dong luc code slippers"
"dung cac data snippets" » "luong cac data snippets", "dung cho data snippets", "dung tai data snippets", "dung cac dan snippets", "dung cac dang snippets", "dung cac dai snippets", "dung cac data slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dong luc code snippets") or ("dung cac data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong luc code snippets") OR ("dung cac data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong luc code snippets ) or ( dung cac data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong luc code snippets") or ("dung cac data snippets"))) or ("locating bug code snippets"))*.