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