Perhaps you should try some spelling variations:
"cong tuan code snippets" » "cong tan code snippets", "cong luan code snippets", "cong thanh code snippets", "cong tuan core snippets", "cong tuan code slippers"
"dung v code snippets" » "dung va code snippets", "dung vi code snippets", "dung ve code snippets", "dung v core snippets", "dung v code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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