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