Perhaps you should try some spelling variations:
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac hoi dan snippets" » "cac thoi dan snippets", "cac khoi dan snippets", "cau hoi dan snippets", "cac hoa dan snippets", "cac hoc dan snippets", "cac hoi dap 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: (((("cac hoi dan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hoi dan snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac hoi dan snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hoi dan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.