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