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