Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh tu can snippets" » "trinh tu code snippets", "trinh ky can snippets", "trinh do can snippets", "trinh tu ban snippets", "trinh tu cac snippets", "trinh su can snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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 data snippets") or ("trinh tu can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("trinh tu can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( trinh tu can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("trinh tu can snippets"))) or ("locating bug core snippets"))*.