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