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