Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh dat de snippets" » "trinh dat code snippets", "trinh vat de snippets", "trinh da de snippets", "trinh dan de snippets", "trinh hat de snippets", "trinh dat dien 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: (((("trinh dat de snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh dat de snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh dat de snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dat de snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.