Perhaps you should try some spelling variations:
"dang using data snippets" » "dang sinh data snippets", "data using data snippets", "dang ung data snippets", "dang using java snippets", "dang using sat snippets", "dang missing data snippets", "dang using data slippers"
"cong thuc code snippets" » "cong tac code snippets", "cong thuc co snippets", "cong thuc con snippets", "cong thuc code 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: (((("cong thuc code snippets") or ("dang using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong thuc code snippets") OR ("dang using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong thuc code snippets ) or ( dang using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong thuc code snippets") or ("dang using data snippets"))) or ("locating bug code snippets"))*.