Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan lua cau snippets" » "nhan lua code snippets", "nhan luan cau snippets", "nhan luc cau snippets", "nhan cua cau snippets", "nhan luat cau snippets", "nhan quan cau 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: (((("nhan lua cau snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan lua cau snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan lua cau snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan lua cau snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.