Perhaps you should try some spelling variations:
"thi cao code snippets" » "thi cao cong snippets", "thi cao de snippets", "thi cfd code snippets", "thai cao code snippets", "thi hao code snippets", "thi bao code snippets", "thi 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 ("thi 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 ("thi cao code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( thi cao code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("thi cao code snippets"))) or ("locating bug code snippets"))*.