Perhaps you should try some spelling variations:
"so cong code snippets" » "so cong cong snippets", "so cong co snippets", "so cong che snippets", "bo cong code snippets", "cao cong code snippets", "hoc cong code snippets", "so 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: (((("so 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: (((("so cong code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so cong code snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so cong code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.