Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"doi quoc ban snippets" » "doi cuoc ban snippets", "voi quoc ban snippets", "dong quoc ban snippets", "doi quoc bao snippets", "doi quoc lan snippets", "doi quoc quan snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi quoc ban snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi quoc ban snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi quoc ban snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi quoc ban snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.