Perhaps you should try some spelling variations:
"khoa can code snippets" » "khoa cam code snippets", "khoa cap code snippets", "khoi can code snippets", "khoa cfd code snippets", "khoa can code slippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets", "dung cac 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: (((("khoa can code snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa can code snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( khoa can code snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets ))*.