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