Perhaps you should try some spelling variations:
"dong cacfd code snippets" » "dong cac code snippets", "dong cach code snippets", "dong cfd code snippets"
"cong chi con snippets" » "cong khi con snippets", "cong cho con snippets", "con chi con snippets", "cong chi cong 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: (((("dong cacfd code snippets") or ("cong chi con snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cacfd code snippets") OR ("cong chi con snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cacfd code snippets ) or ( cong chi con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cacfd code snippets") or ("cong chi con snippets"))) or ("locating bug code snippets"))*.