Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai cao code snippets" » "dai cao cong snippets", "dai cao de snippets", "dai cfd code snippets", "dam cao code snippets", "dao cao code snippets", "tai cao code snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dai cao code snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai cao code snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dai cao code snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai cao code snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.