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