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