Perhaps you should try some spelling variations:
"chi cong code snippets" » "chi cong cong snippets", "chi cong co snippets", "chi cong che snippets", "thi cong code snippets", "cho cong code snippets", "phi cong code snippets", "chi cong code slippers"
"python using a snippets" » "python using a slippers"
"locating bug code 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: (((("chi cong code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi cong code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi cong code snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cong code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.